Individual provider

Rowena Mercado, MD, MPH

Psychiatry Physician Medicare enrolled

Rowena Mercado, MD, MPH is a Psychiatry Physician in Richland, WA, registered under NPI 1528373487.

Getting there

The practice address on file is 1175 CARONDELET DR LOURDES COUNSELING CENTER, Richland, WA 99354. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

1175 CARONDELET DR LOURDES COUNSELING CENTER, Richland, WA 99354 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
59637 AZ Psychiatry Physician
CDR.0000493 CO Psychiatry Physician
MD23385 ME Psychiatry Physician
19276 NV Psychiatry Physician
258306 MA Psychiatry Physician
D88276 MD Psychiatry Physician
MD60428339 WA Psychiatry Physician primary
11459451-1205 UT Psychiatry Physician
MD-46660 IA Psychiatry Physician
60314 TN Psychiatry Physician
11838 SD Psychiatry Physician
66347 MN Psychiatry Physician
564-320 WI Psychiatry Physician
ME142819 FL Psychiatry Physician
036150812 IL Psychiatry Physician

Licences are recorded in 15 states: AZ, CO, ME, NV, MA, MD, WA, UT, IA, TN, SD, MN, WI, FL, IL. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Psychiatry
PAC ID
4082834718
Enrollment ID
I20141001001625

Medicare enrolment is recorded as approved under the provider type Practitioner - Psychiatry. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 15 states

This provider holds licences in 15 states: Arizona, Colorado, Florida, Iowa, Illinois, Massachusetts, Maryland, Maine, Minnesota, Nevada, South Dakota, Tennessee, Utah, Washington and Wisconsin. The practice address on file is in Richland, WA, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

AZ Arizona
Licence
59637
Specialty
Psychiatry Physician
Verify with the AZ board →
CO Colorado
Licence
CDR.0000493
Specialty
Psychiatry Physician
Verify with the CO board →
FL Florida
Licence
ME142819
Specialty
Psychiatry Physician
Verify with the FL board →
IA Iowa
Licence
MD-46660
Specialty
Psychiatry Physician
Verify with the IA board →
IL Illinois
Licence
036150812
Specialty
Psychiatry Physician
Verify with the IL board →
MA Massachusetts
Licence
258306
Specialty
Psychiatry Physician
Verify with the MA board →
MD Maryland
Licence
D88276
Specialty
Psychiatry Physician
Verify with the MD board →
ME Maine
Licence
MD23385
Specialty
Psychiatry Physician
Verify with the ME board →
MN Minnesota
Licence
66347
Specialty
Psychiatry Physician
Verify with the MN board →
NV Nevada
Licence
19276
Specialty
Psychiatry Physician
Verify with the NV board →
SD South Dakota
Licence
11838
Specialty
Psychiatry Physician
Verify with the SD board →
TN Tennessee
Licence
60314
Specialty
Psychiatry Physician
Verify with the TN board →
UT Utah
Licence
11459451-1205
Specialty
Psychiatry Physician
Verify with the UT board →
WA Washington practice address
Licence
MD60428339
Specialty
Psychiatry Physician
Verify with the WA board →
WI Wisconsin
Licence
564-320
Specialty
Psychiatry Physician
Verify with the WI board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Psychiatry covers

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems. NUCC Health Care Provider Taxonomy, code 2084P0800X
Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

All registered taxonomy codes

This provider registers 15 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
2084P0800X Psychiatry Physician Psychiatry 59637 AZ
2084P0800X Psychiatry Physician Psychiatry CDR.0000493 CO
2084P0800X Psychiatry Physician Psychiatry MD23385 ME
2084P0800X Psychiatry Physician Psychiatry 19276 NV
2084P0800X Psychiatry Physician Psychiatry 258306 MA
2084P0800X Psychiatry Physician Psychiatry D88276 MD
2084P0800X Psychiatry Physician Psychiatry MD60428339 WA primary
2084P0800X Psychiatry Physician Psychiatry 11459451-1205 UT
2084P0800X Psychiatry Physician Psychiatry MD-46660 IA
2084P0800X Psychiatry Physician Psychiatry 60314 TN
2084P0800X Psychiatry Physician Psychiatry 11838 SD
2084P0800X Psychiatry Physician Psychiatry 66347 MN
2084P0800X Psychiatry Physician Psychiatry 564-320 WI
2084P0800X Psychiatry Physician Psychiatry ME142819 FL
2084P0800X Psychiatry Physician Psychiatry 036150812 IL

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1528373487 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateAug 16, 2010
Last updatedJul 16, 2026
StatusActive
Sole proprietorNo
GenderFemale
CredentialMD, MPH
Practice address 1175 CARONDELET DR
LOURDES COUNSELING CENTER
Richland, WA 99354
(509) 943-9104
This record was updated on Jul 16, 2026, which is recent enough that the contact details are likely still accurate.

Number check

1528373487 passes the NPI check digit test The final digit 7 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 5 2 8 3 7 3 4 8
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 5 4 8 6 7 6 4 7

Sum = 73 · next multiple of 10 = 80 · check digit = 7 · actual last digit = 7

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1528373487?
NPI 1528373487 is the National Provider Identifier assigned to Rowena Mercado, MD, MPH in Richland, WA. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Psychiatry cover?
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of…
How do I contact Rowena Mercado, MD, MPH?
The phone number on file with NPPES is (509) 943-9104, last updated Jul 16, 2026. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Rowena Mercado, MD, MPH accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1528373487 a valid number?
Yes. 1528373487 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.