NPPES file of Aug 9, 2026

Peter Gerritz, M.D.

Physical Medicine & Rehabilitation Physician · Sacramento, CA

Peter Gerritz, M.D. is a physical medicine & rehabilitation physician with a practice address in Sacramento, California, and NPI 1396903621, issued on May 22, 2008. Check the license (California A106173, 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
1396903621
Name
Peter Gerritz
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
A106173 CA
Self-reported in NPPES; status is on the state search
Practice location
4860 Y St, Sacramento, CA 95817
Phone
(916) 734-5292
Enumerated
May 22, 2008
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110729000184); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2007
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 4860 Y St

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

  1. Susan Abbott Rogge, NPWomen's Health Nurse Practitioner1245215581
  2. Alireza Abidi, M.D.Gynecologic Oncology Physician1215919477
  3. Tessnim Ahmad, MDGlaucoma Specialist (Ophthalmology) Physician1275161150
  4. Carol Albanese, M.D.Physical Medicine & Rehabilitation Physician1992786016
  5. Wesam AldulemeRegistered Respiratory Therapist1881176543
  6. Fatima Ali, MDAllergy & Immunology (Internal Medicine) Physician1093045023

Verify Peter Gerritz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106173
    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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76% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

175 Medicare Part D claims for 63 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Peter Gerritz175
  2. Specialty average727

Most prescribed

  1. Baclofen63 claims
  2. Dantrolene Sodium27 claims
  3. Gabapentin16 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. Permanente Medical Group IncOakland, CA

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

Peter Gerritz among 1,549 physical medicine & rehabilitation physician records in California

Peter Gerritz, M.D. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.

  • NPI issued2008 · 41% of these records are older, 55% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2007 · median 2008 among the 786 with a school on file
  • Record last updated2021 · 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 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Carol Albanese, M.D.Sacramento, CA 958171992786016
  2. Jovauna CurreySacramento, CA 958171427475797
  3. Loren Davidson, M.D.Sacramento, CA 958171073594560
  4. Brian Joves, M.D.Sacramento, CA 958171013201938
  5. Nanette Joyce, D.O.Sacramento, CA 958171124241302
  6. Bethany Lipa, MDSacramento, CA 958171366647315
  7. Franz Macedo, D.O.Sacramento, CA 958171134184203
  8. Lisa Merritt, MDSacramento, CA 958171407989973

Common questions

What is Peter Gerritz, M.D.'s NPI number?

Peter Gerritz, M.D.'s National Provider Identifier (NPI) is 1396903621, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Peter Gerritz, M.D. located?

The NPPES record lists a practice address at 4860 Y St, Sacramento, CA, 95817. Phone: (916) 734-5292. Providers update this record themselves, so call before visiting.

How can I verify Peter Gerritz, M.D.'s license?

NPPES lists California license number A106173, 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 Peter Gerritz, M.D. prescribe under Medicare Part D?

In 2024, Peter Gerritz, M.D. had 175 Medicare Part D claims for 63 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.