NPPES file of Aug 9, 2026

Carla Schuermann-Berryman, M.D.

Family Medicine Physician · Fontana, CA

Carla Schuermann-Berryman, M.D. is a family medicine physician with a practice address in Fontana, California, and NPI 1144580978, issued on May 27, 2012. Check the license (California A119129, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144580978
Name
Carla Schuermann-Berryman
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A119129 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(909) 427-5084
Enumerated
May 27, 2012
Record last updated
Oct 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121102000123); 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 9961 Sierra Ave

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

  1. Solomon Abila, MDFamily Medicine Physician1871652479
  2. Jenny Abouelsood, M.D.Family Medicine Physician1457638512
  3. Marla Abrolat, MDPediatrics Physician1164593133
  4. Eduardo Acosta, MDPediatrics Physician1497803324
  5. Michael Adair, MDFamily Medicine Physician1780732651
  6. Berneva Adams, MDObstetrics & Gynecology Physician1376602987

Verify Carla Schuermann-Berryman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119129
    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.

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68% fewer Medicare Part D claims than the average family medicine physician in 2024

1,117 Medicare Part D claims for 671 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Carla Schuermann-Berryman1,117
  2. Specialty average3,544

Most prescribed

  1. Albuterol Sulfate Hfa70 claims
  2. Alvesco49 claims
  3. Prednisone41 claims
  4. Amoxicillin40 claims
  5. Cephalexin38 claims
  6. Rosuvastatin Calcium36 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupSan Diego, CA

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

Carla Schuermann-Berryman among 17,133 family medicine physician records in California

Carla Schuermann-Berryman, M.D. is one of 17,133 family 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 2012, is newer than 66% of them.

  • NPI issued2012 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

198 family medicine physician records list a practice address in Fontana

They are 198 of the 3,012 NPPES records with a practice address in Fontana, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Frances Burke, MDFontana, CA 923351972674901
  2. Nathan Carlson, M.D.Fontana, CA 923351144212929
  3. Christine Carlson, MDFontana, CA 923351386612299
  4. Thawat Eosakul, M.D.Fontana, CA 923351811904519
  5. Diane Hom, MDFontana, CA 923351821169707
  6. Anissa Lacount, MDFontana, CA 923351609854397
  7. Rubin Lin, D.O.Fontana, CA 923351679678916
  8. Lannie Moy, PA-CFontana, CA 923351922037738

Common questions

What is Carla Schuermann-Berryman, M.D.'s NPI number?

Carla Schuermann-Berryman, M.D.'s National Provider Identifier (NPI) is 1144580978, issued on May 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Carla Schuermann-Berryman, M.D. located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5084. Providers update this record themselves, so call before visiting.

How can I verify Carla Schuermann-Berryman, M.D.'s license?

NPPES lists California license number A119129, 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 Carla Schuermann-Berryman, M.D. prescribe under Medicare Part D?

In 2024, Carla Schuermann-Berryman, M.D. had 1,117 Medicare Part D claims for 671 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.