NPPES file of Aug 9, 2026

Reece Fenning, MD, MPH

Family Medicine Physician · Santa Rosa, CA

Reece Fenning, MD, MPH is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1124604699, issued on Mar 23, 2021. Check the license (California A193019, 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
1124604699
Name
Reece Fenning
Credential
MD, MPH
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A193019 CA
Self-reported in NPPES; status is on the state search
Practice location
30 Mark West Springs RD, Santa Rosa, CA 95403
Phone
(707) 576-4000
Enumerated
Mar 23, 2021
Record last updated
Oct 9, 2024
Medicare enrollment
Enrolled (PECOS I20241025003287); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 2021
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 30 Mark West Springs RD

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

  1. Lauren Anderson, RNEmergency Registered Nurse1558030361
  2. Mitchell Bailey, M.D.Surgery Physician1366422008
  3. Panathda Bayrasy, PHARMDPharmacotherapy Pharmacist1629559133
  4. Dayle Bondarev, MDNeonatal-Perinatal Medicine Physician1417451352
  5. Jonathan Chung, MDHospitalist Physician1598256414
  6. Cathy Conway, LCSWClinical Social Worker1508505561

Verify Reece Fenning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A193019
    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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86% fewer Medicare Part D claims than the average family medicine physician in 2024

502 Medicare Part D claims for 59 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Reece Fenning502
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium44 claims
  2. Jardiance26 claims
  3. Gabapentin23 claims
  4. Amlodipine Besylate18 claims
  5. Hydrochlorothiazide17 claims
  6. Hydrocodone-Acetaminophen17 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 3 group practices

  1. Pacific Inpatient Medical GroupSan Francisco, CA
  2. Sonoma County Indian Health Project IncSanta Rosa, CA
  3. West County Health Centers, Inc.Guerneville, CA

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

Reece Fenning among 17,133 family medicine physician records in California

Reece Fenning, MD, MPH 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 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2021 · median 2005 among the 10,652 with a school on file
  • Record last updated2024 · 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).

264 family medicine physician records list a practice address in Santa Rosa

They are 264 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Robert Gabbay, D.O.Santa Rosa, CA 954031821028283
  2. Karen Gelphman, MDSanta Rosa, CA 954031972565703
  3. Jennifer Lee, MDSanta Rosa, CA 954031447288204
  4. Azra Mael, M.D.Santa Rosa, CA 954031477596518
  5. Patricia Mazzetti Hiserote, D.O.Santa Rosa, CA 954031821002593
  6. Neil Nathan, MDSanta Rosa, CA 954031174510788
  7. Amelia Randolph, MDSanta Rosa, CA 954031093739708
  8. Edward Rose, M.D.Santa Rosa, CA 954031750354106

Common questions

What is Reece Fenning, MD, MPH's NPI number?

Reece Fenning, MD, MPH's National Provider Identifier (NPI) is 1124604699, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Reece Fenning, MD, MPH located?

The NPPES record lists a practice address at 30 Mark West Springs RD, Santa Rosa, CA, 95403. Phone: (707) 576-4000. Providers update this record themselves, so call before visiting.

How can I verify Reece Fenning, MD, MPH's license?

NPPES lists California license number A193019, 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 Reece Fenning, MD, MPH prescribe under Medicare Part D?

In 2024, Reece Fenning, MD, MPH had 502 Medicare Part D claims for 59 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.