NPPES file of Aug 9, 2026

Sapna Mary George-Mattappally, M.D.

Emergency Medicine Physician · Pomona, CA

Sapna Mary George-Mattappally, M.D. is an emergency medicine physician with a practice address in Pomona, California, and NPI 1457794505, issued on Apr 8, 2013. Check the license (California A163131, as entered in NPPES) on the Medical Board of California; 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
1457794505
Name
Sapna Mary George-Mattappally
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A163131 CA
036140959 IL
Self-reported in NPPES; status is on the state search
Practice location
1798 N Garey Ave, Pomona, CA 91767
Phone
(909) 865-9500
Enumerated
Apr 8, 2013
Record last updated
Jul 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190821000454); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 2013
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.
Download card Updates feed

Also registered at 1798 N Garey Ave

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

  1. Monique AbdallaRegistered Nurse1871398297
  2. Brent Abutin, PTAPhysical Therapy Assistant1144728023
  3. Anna Adongo, M.D.Anesthesiology Physician1497011902
  4. Fran Allas, OTR/LNeurorehabilitation Occupational Therapist1467081828
  5. Yvette Ambroze, FNPFamily Nurse Practitioner1336616879
  6. Arjun Bakshi, DOEmergency Medicine Physician1659968303

Verify Sapna Mary George-Mattappally in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A163131
    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 California 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

50% fewer Medicare Part D claims than the average emergency medicine physician in 2024

113 Medicare Part D claims for 62 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Sapna George-Mattappally113
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt16 claims
  2. Naproxen11 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  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).

Bills Medicare through one group practice

  1. Cep America - CaliforniaMontebello, CA

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

Sapna Mary George-Mattappally among 7,751 emergency medicine physician records in California

Sapna Mary George-Mattappally, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2011 among the 4,560 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Donald Barceloux, M.D.Pomona, CA 917671295746386
  2. Gregory Burke, M.DPomona, CA 917671407940117
  3. Wesley Curry, M.DPomona, CA 917671194774935
  4. Richard Dorosh, M.D.Pomona, CA 917671902928690
  5. John Lee, M.DPomona, CA 917671538178272
  6. Lee Maas, M.D.Pomona, CA 917671548470081
  7. Keith McCarty, M.D.Pomona, CA 917671538171426
  8. Kenneth Nakamoto, M.D.Pomona, CA 917671215949102

Common questions

What is Sapna Mary George-Mattappally, M.D.'s NPI number?

Sapna Mary George-Mattappally, M.D.'s National Provider Identifier (NPI) is 1457794505, issued on Apr 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Sapna Mary George-Mattappally, M.D. located?

The NPPES record lists a practice address at 1798 N Garey Ave, Pomona, CA, 91767. Phone: (909) 865-9500. Providers update this record themselves, so call before visiting.

How can I verify Sapna Mary George-Mattappally, M.D.'s license?

NPPES lists California license number A163131, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sapna Mary George-Mattappally, M.D. prescribe under Medicare Part D?

In 2024, Sapna Mary George-Mattappally, M.D. had 113 Medicare Part D claims for 62 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Sapna Mary George-Mattappally, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.6 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.