Individual provider

Dureshahwar Fernandez, M.D.

Pulmonary Disease Physician Critical Care Medicine (Internal Medicine) Physician Sleep Medicine (Internal Medicine) Physician Medicare enrolled

Dureshahwar Fernandez, M.D. is a Pulmonary Disease Physician in Fredericksburg, TX, registered under NPI 1609848274. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty.

Getting there

The practice address on file is 1009 S MILAM ST STE 3, Fredericksburg, TX 78624. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

1009 S MILAM ST STE 3, Fredericksburg, TX 78624 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
K8487 TX Pulmonary Disease Physician primary
K8487 TX Critical Care Medicine (Internal…
MD2022-0350 NM Pulmonary Disease Physician
MD2022-0350 NM Sleep Medicine (Internal Medicine)…

Licences are recorded in 2 states: TX, NM. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Critical Care (intensivists)
PAC ID
8325956410

Medicare enrolment is recorded as approved under the provider type Practitioner - Critical Care (intensivists). This means the provider is enrolled to bill Medicare, though it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 2 states

This provider holds licences in 2 states: New Mexico and Texas. The practice address on file is in Fredericksburg, TX, 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.

NM New Mexico
Licence
MD2022-0350
Specialty
Pulmonary Disease Physician
Verify with the NM board →
TX Texas practice address
Licence
K8487
Specialty
Pulmonary Disease Physician
Verify with the TX 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 Pulmonary Disease covers

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs. NUCC Health Care Provider Taxonomy, code 207RP1001X
Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

All registered taxonomy codes

This provider registers 4 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207RP1001X Pulmonary Disease Physician Pulmonary Disease K8487 TX primary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Critical Care Medicine K8487 TX
207RP1001X Pulmonary Disease Physician Pulmonary Disease MD2022-0350 NM
207RS0012X Sleep Medicine (Internal Medicine) Physician Sleep Medicine MD2022-0350 NM

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.

NPI1609848274 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateFeb 7, 2006
Last updatedNov 10, 2022
StatusActive
Sole proprietorNo
CredentialM.D.
Practice address 1009 S MILAM ST STE 3
Fredericksburg, TX 78624
(830) 990-1404
Fax (830) 992-2841
Mailing address 205 W WINDCREST ST STE 130
Fredericksburg, TX 78624
Other identifiers 1181489-06 (TX)
The last update on file is Nov 10, 2022. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1609848274 passes the NPI check digit test The final digit 4 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 6 0 9 8 4 8 2 7
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 6 0 9 7 4 7 2 5

Sum = 66 · next multiple of 10 = 70 · check digit = 4 · actual last digit = 4

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 1609848274?
NPI 1609848274 is the National Provider Identifier assigned to Dureshahwar Fernandez, M.D. in Fredericksburg, TX. 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 Pulmonary Disease cover?
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
How do I contact Dureshahwar Fernandez, M.D.?
The phone number on file with NPPES is (830) 990-1404, last updated Nov 10, 2022. 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 Dureshahwar Fernandez, M.D. 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 1609848274 a valid number?
Yes. 1609848274 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.