Patricia L. Rehfield, DO
Public Health & General Preventive Medicine Physician · Walnut Creek, CA
Patricia L. Rehfield, DO is a public health & general preventive medicine physician with a practice address in Walnut Creek, California, and NPI 1487693701, issued on Jun 5, 2006. Check the license (California 20A10854, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patricia L. Rehfield
- Credential
- DO
- Primary taxonomy
- Public Health & General Preventive Medicine Physician 2083P0901X
- License numbers
- 20A10854 CA
5101007713 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2960 Camino Diablo Ste 105, Walnut Creek, CA 94597
- Phone
- (800) 892-2695
- Enumerated
- Jun 5, 2006
- Record last updated
- Nov 16, 2022
- Medicaid ID
- 519693 MI
- Entity
- Type 1 · individual
8 nearest public health & general preventive medicine physician records → All 325 in California → Look up another NPI →
Also registered at 2960 Camino Diablo Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katrina Groves-Rehwaldt, MDAddiction Medicine (Family Medicine) Physician1487748943
- Tracy Jackson, MDPain Medicine (Anesthesiology) Physician1154436590
Verify Patricia L. Rehfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average public health & general preventive medicine physician in 2024
61 Medicare Part D claims, against an average of 820 among the 336 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone52 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.
Patricia L. Rehfield among 325 public health & general preventive medicine physician records in California
Patricia L. Rehfield, DO is one of 325 public health & general preventive medicine physician records with a practice address in California. 27% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 79% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 13% of these records are
- Record last updated2022 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Public Health & General Preventive Medicine Physician providers in California
There are 325 public health & general preventive medicine physician records in California.
All 325 in California → Every provider in Walnut Creek → Public Health & General Preventive Medicine Physician nationwide →
The 8 public health & general preventive medicine physician records with the nearest ZIP codes
- Michael Lipsett, M.D.Walnut Creek, CA 945961376892695
- Julie Fields, MDYountville, CA 945991730156282
- Vicki AlexanderOakland, CA 946051548407596
- Deborah Greene, M.D.Oakland, CA 946051437379559
- Chukwudi Mbagwu, M.D.Union City, CA 945871881097442
- Laurence Platt, M.D.Oakland, CA 946101952551608
- Nathalie Bera-Miller, MDSan Ramon, CA 945831023217049
- Sharon Adler, MD,MPHOakland, CA 946121184089484
Common questions
What is Patricia L. Rehfield, DO's NPI number?
Patricia L. Rehfield, DO's National Provider Identifier (NPI) is 1487693701, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patricia L. Rehfield, DO located?
The NPPES record lists a practice address at 2960 Camino Diablo Ste 105, Walnut Creek, CA, 94597. Phone: (800) 892-2695. Providers update this record themselves, so call before visiting.
How can I verify Patricia L. Rehfield, DO's license?
NPPES lists California license number 20A10854, 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 Patricia L. Rehfield, DO prescribe under Medicare Part D?
In 2024, Patricia L. Rehfield, DO had 61 Medicare Part D claims; the average among public health & general preventive medicine physician prescribers was 820. 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.