NPPES file of Aug 9, 2026

Deena Neff, M.D.

Family Medicine Physician · Berkeley, CA

Deena Neff, M.D. is a family medicine physician with a practice address in Berkeley, California, and NPI 1770590002, issued on Aug 1, 2006. Check the license (California G76830, 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
1770590002
Name
Deena Neff
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G76830 CA
Self-reported in NPPES; status is on the state search
Practice location
2145 University Ave, Berkeley, CA 94704
Phone
(888) 663-6331
Enumerated
Aug 1, 2006
Record last updated
Jun 4, 2024
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20120808000635); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1991
Telehealth
Offers telehealth (CMS)
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 2145 University Ave

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

  1. Erick Cardenas, FNP-CNurse Practitioner1841750403
  2. Peter Cardiello, MDPediatrics Physician1659432722
  3. Beth Curry, MPAS, PA-CPhysician Assistant1548706328
  4. Billy Huynh, MDFamily Medicine Physician1275196099
  5. Esther Jarvis, NPNurse Practitioner1093168270
  6. Wendy LiuPhysician Assistant1235866690

Verify Deena Neff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G76830
    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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100% fewer Medicare Part D claims than the average family medicine physician in 2024

14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Deena Neff14
  2. Specialty average3,544

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. One Medical Group IncBerkeley, CA

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

77 family medicine physician records list a practice address in Berkeley

They are 77 of the 4,898 NPPES records with a practice address in Berkeley, and 17,133 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Deena Neff, M.D.'s NPI number?

Deena Neff, M.D.'s National Provider Identifier (NPI) is 1770590002, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deena Neff, M.D. located?

The NPPES record lists a practice address at 2145 University Ave, Berkeley, CA, 94704. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Deena Neff, M.D.'s license?

NPPES lists California license number G76830, 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 Deena Neff, M.D. prescribe under Medicare Part D?

In 2024, Deena Neff, M.D. had 14 Medicare Part D claims; 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.