NPPES file of Aug 9, 2026

Ambesi Ngwa

Internal Medicine Physician · Tyler, TX

Ambesi Ngwa is an internal medicine physician with a practice address in Tyler, Texas, and NPI 1639582174, issued on Jun 3, 2014. Check the license (Texas P9236, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639582174
Name
Ambesi Ngwa
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
P9236 TX
Self-reported in NPPES; status is on the state search
Practice location
800 E Dawson St, Tyler, TX 75701
Phone
(903) 606-4129
Enumerated
Jun 3, 2014
Record last updated
Feb 21, 2024
Medicaid ID
342944108 TX
Medicare enrollment
Enrolled (PECOS I20240304000932); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 E Dawson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Enyinnaya Abarikwu, MDInternal Medicine Physician1174788178
  2. Jamil Abbasi, M.D.Critical Care Medicine (Internal Medicine) Physician1033206602
  3. Yousef Abdel-Raziq, MDEmergency Medicine Physician1215432695
  4. Nikhil Acharya, M.DInternal Medicine Physician1780947135
  5. Oladimeji Akiode, MDHospitalist Physician1922078120
  6. Kashif Alauddin, M.D.Internal Medicine Physician1659506509

Verify Ambesi Ngwa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P9236
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

447 Medicare Part D claims for 138 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.

  1. Ambesi Ngwa447
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium29 claims
  2. Eliquis24 claims
  3. Amoxicillin-Clavulanate Potass22 claims
  4. Amlodipine Besylate20 claims
  5. Doxycycline Hyclate19 claims
  6. Metoprolol Tartrate18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $130.74

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ambesi Ngwa$130.74
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. North Texas Physician Services, PLLCTyler, TX
  2. Tyler Physician Services PLLCTyler, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ambesi Ngwa among 9,175 internal medicine physician records in Texas

Ambesi Ngwa is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.

  • NPI issued2014 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2004 among the 6,088 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

146 internal medicine physician records list a practice address in Tyler

They are 146 of the 5,531 NPPES records with a practice address in Tyler, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yvonne Baum, M.D.Tyler, TX 757011679572614
  2. Marcus Byrd, M.D.Tyler, TX 757011518930304
  3. Gene Earl, M.D.Tyler, TX 757011134122567
  4. Michael Gorby, M.D.Tyler, TX 757011366446049
  5. James Holleman, M.D.Tyler, TX 757011083692248
  6. Paul Lim, M.D.Tyler, TX 757011942288634
  7. Eric Madore, MDTyler, TX 757011982678884
  8. Aleksandra Olsson-Detwiler, M.D.Tyler, TX 757011740280510

Common questions

What is Ambesi Ngwa's NPI number?

Ambesi Ngwa's National Provider Identifier (NPI) is 1639582174, issued on Jun 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ambesi Ngwa located?

The NPPES record lists a practice address at 800 E Dawson St, Tyler, TX, 75701. Phone: (903) 606-4129. Providers update this record themselves, so call before visiting.

How can I verify Ambesi Ngwa's license?

NPPES lists Texas license number P9236, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ambesi Ngwa prescribe under Medicare Part D?

In 2024, Ambesi Ngwa had 447 Medicare Part D claims for 138 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.