NPPES file of Aug 9, 2026

Sameh F. Gadallah, M.D.

Specialist · Lancaster, CA

Sameh F. Gadallah, M.D. is a specialist with a practice address in Lancaster, California, and NPI 1205897535, issued on Mar 28, 2006. Check the license (California A49405, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205897535
Name
Sameh F. Gadallah
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
A49405 CA
Self-reported in NPPES; status is on the state search
Practice location
43723 20TH St W, Lancaster, CA 93534
Phone
(661) 674-4222
Enumerated
Mar 28, 2006
Record last updated
Mar 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(661) 647-4220
Medicaid ID
00A494050 CA
Medicare enrollment
Enrolled (PECOS I20070524000249); 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 43723 20TH St W

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

  1. Pramod Kadambi, M.D.Specialist1114988441

Verify Sameh F. Gadallah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A49405
    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
Find the California license search

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3.0 times the Medicare Part D claims of the average specialist in 2024

4,146 Medicare Part D claims for 491 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Sameh Gadallah4,146
  2. Specialty average1,380

Most prescribed

  1. Rosuvastatin Calcium354 claims
  2. Amlodipine Besylate301 claims
  3. Atorvastatin Calcium276 claims
  4. Metoprolol Succinate253 claims
  5. Clopidogrel247 claims
  6. Lisinopril168 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%56.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,145.69

79 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sameh Gadallah$2,145.69
  2. Specialty average$4,760.79

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

Bills Medicare through one group practice

  1. Antelope Valley Cardiology AssociatesLancaster, CA

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

Sameh F. Gadallah among 5,749 specialist records in California

Sameh F. Gadallah, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1981 · median 1989 among the 1,075 with a school on file
  • Record last updated2020 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Javeed Ahmed, MDLancaster, CA 935341689627051
  2. Pradeep Damle, M.D.Lancaster, CA 935341770563116
  3. Wafaa Farid, MDLancaster, CA 935341811002082
  4. Emma Graber, M.D.Lancaster, CA 935341922057918
  5. Syed Hasan, MDLancaster, CA 935341528010998
  6. Pramod Kadambi, M.D.Lancaster, CA 935341114988441
  7. Dennis Latuno, M.D.Lancaster, CA 935341205841087
  8. Ira Opatowsky, MDLancaster, CA 935341659374445

Common questions

What is Sameh F. Gadallah, M.D.'s NPI number?

Sameh F. Gadallah, M.D.'s National Provider Identifier (NPI) is 1205897535, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sameh F. Gadallah, M.D. located?

The NPPES record lists a practice address at 43723 20TH St W, Lancaster, CA, 93534. Phone: (661) 674-4222. Providers update this record themselves, so call before visiting.

How can I verify Sameh F. Gadallah, M.D.'s license?

NPPES lists California license number A49405, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Sameh F. Gadallah, M.D. prescribe under Medicare Part D?

In 2024, Sameh F. Gadallah, M.D. had 4,146 Medicare Part D claims for 491 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Sameh F. Gadallah, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.