Individual provider

Rachel Ellsworth, M.D

Colon & Rectal Surgery Physician Student in an Organized Health Care Education/Training Program Medicare enrolled

Rachel Ellsworth, M.D is a Colon & Rectal Surgery Physician in Houston, TX, registered under NPI 1336393479. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.

Getting there

The practice address on file is 18400 KATY FWY SUITE 560, Houston, TX 77094. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

18400 KATY FWY SUITE 560, Houston, TX 77094 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
N1878 TX Colon & Rectal Surgery Physician primary
TMB PIT# TX Student in an Organized Health Care…

This provider holds licence N1878 issued in TX. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - General Surgery
PAC ID
0446472872
Enrollment ID
I20141119000668

Medicare enrolment is recorded as approved under the provider type Practitioner - General Surgery. 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.

What Colon & Rectal Surgery covers

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease. NUCC Health Care Provider Taxonomy, code 208C00000X
Allopathic & Osteopathic Physicians Colon & Rectal Surgery

All registered taxonomy codes

This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
208C00000X Colon & Rectal Surgery Physician N1878 TX primary
390200000X Student in an Organized Health Care Education/Training Program TMB PIT# TX

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.

NPI1336393479 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateNov 14, 2008
Last updatedFeb 4, 2022
StatusActive
Sole proprietorNo
CredentialM.D
Practice address 18400 KATY FWY
SUITE 560
Houston, TX 77094
(832) 522-3240
Fax (281) 578-2404
Other identifiers 342229702 · Medicaid (TX)
342229701 · Medicaid (TX)
8GD754 · Other (TX)
8EQ602 · Other (TX)
The last update on file is Feb 4, 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

1336393479 passes the NPI check digit test The final digit 9 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 3 3 6 3 9 3 4 7
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 3 6 6 6 9 6 4 5

Sum = 71 · next multiple of 10 = 80 · check digit = 9 · actual last digit = 9

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 1336393479?
NPI 1336393479 is the National Provider Identifier assigned to Rachel Ellsworth, M.D in Houston, 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 Colon & Rectal Surgery Physician cover?
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary…
How do I contact Rachel Ellsworth, M.D?
The phone number on file with NPPES is (832) 522-3240, last updated Feb 4, 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 Rachel Ellsworth, 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 1336393479 a valid number?
Yes. 1336393479 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.