NPPES file of Aug 9, 2026

Ammar Lamak Ujjainwala, MD

Neurology Physician · Saint Louis, MO

Ammar Lamak Ujjainwala, MD is a neurology physician with a practice address in Saint Louis, Missouri, and NPI 1174267371, issued on Apr 24, 2022. Check the license on the Missouri Board of Registration for the Healing Arts; 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
1174267371
Name
Ammar Lamak Ujjainwala
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
036177637 IL
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(314) 362-1935
Enumerated
Apr 24, 2022
Record last updated
Jul 22, 2026
Medicare enrollment
Enrolled (PECOS I20260225002763); may accept Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2022
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 1 Barnes Jewish Hospital Plz

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

  1. Fizza Abbas, MDInternal Medicine Physician1588079230
  2. Catey Abbott, DOInternal Medicine Physician1699355347
  3. Ramzi Abboud, MDMedical Oncology Physician1649684200
  4. Amy Abdalla, MDRadiation Oncology Physician1932959954
  5. Heba Abdelal, MDAnatomic Pathology & Clinical Pathology Physician1033633383
  6. Ali Abdelhay, MDHospitalist Physician1619540606

Verify Ammar Lamak Ujjainwala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck 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 Missouri license search

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90% fewer Medicare Part D claims than the average neurology physician in 2024

141 Medicare Part D claims for 24 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Ammar Ujjainwala141
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam19 claims
  2. Clobazam14 claims
  3. Atorvastatin Calcium13 claims
  4. Eliquis13 claims
  5. Oxcarbazepine12 claims
  6. Topiramate11 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.

Ammar Lamak Ujjainwala among 484 neurology physician records in Missouri

Ammar Lamak Ujjainwala, MD is one of 484 neurology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2006 among the 285 with a school on file
  • Record last updated2026 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Missouri

There are 484 neurology physician records in Missouri.

The 8 neurology physician records with the nearest ZIP codes

  1. Muhammad Al-Lozi, MDSaint Louis, MO 631101689690992
  2. Beau Ances, MDSaint Louis, MO 631101972569085
  3. Giovanni D'Avossa, MDSaint Louis, MO 631101871519181
  4. Marc Diamond, MDSaint Louis, MO 631101255368288
  5. Paul Kotzbauer, MDSaint Louis, MO 631101568488872
  6. Glenn Lopate, MDSaint Louis, MO 631101790701019
  7. Soe Mar, MDSaint Louis, MO 631101659397966
  8. Timothy Miller, MDSaint Louis, MO 631101255356671

Common questions

What is Ammar Lamak Ujjainwala, MD's NPI number?

Ammar Lamak Ujjainwala, MD's National Provider Identifier (NPI) is 1174267371, issued on Apr 24, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Ammar Lamak Ujjainwala, MD located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-1935. Providers update this record themselves, so call before visiting.

How can I verify Ammar Lamak Ujjainwala, MD's license?

Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ammar Lamak Ujjainwala, MD prescribe under Medicare Part D?

In 2024, Ammar Lamak Ujjainwala, MD had 141 Medicare Part D claims for 24 beneficiaries; the average among neurology physician prescribers was 1,370. 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.