NPPES file of Aug 9, 2026

Ralph Thomas Depalma, M.D., F.A.C.O.G

Maternal & Fetal Medicine Physician · Oakland, CA

Ralph Thomas Depalma, M.D., F.A.C.O.G is a maternal & fetal medicine physician with a practice address in Oakland, California, and NPI 1245260686, issued on Jul 3, 2006. Check the license (California G44596, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245260686
Name
Ralph Thomas Depalma
Credential
M.D., F.A.C.O.G
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
G44596 CA
Self-reported in NPPES; status is on the state search
Practice location
350 30TH St, Oakland, CA 94609
Phone
(510) 444-0790
Enumerated
Jul 3, 2006
Record last updated
Jun 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest maternal & fetal medicine physician records → All 343 in California → Look up another NPI →

Also registered at 350 30TH St

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

  1. Vanessa AuBone Densitometry Radiologic Technologist1972671725
  2. Christopher Bautista, M.D.Internal Medicine Physician1346539509
  3. Lori Beltran, D.O.Family Medicine Physician1053567768
  4. Alice Benham, NPFamily Nurse Practitioner1578611570
  5. Rachel Callaghan, M.D.Internal Medicine Physician1548239627
  6. Cyril Callister, PA-CMedical Physician Assistant1871518977

Verify Ralph Thomas Depalma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G44596    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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Ralph Thomas Depalma among 343 maternal & fetal medicine physician records in California

Ralph Thomas Depalma, M.D., F.A.C.O.G is one of 343 maternal & fetal medicine physician records with a practice address in California. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 52% newer
  • In a Medicare fileNo · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in California

There are 343 maternal & fetal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 343 in California → Every provider in Oakland → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Michelle Adams, M.D.Oakland, CA 946091326058991
  2. Autumn Broady, M.D., M.P.H.Oakland, CA 946091053549048
  3. Janet Goldman, M.D., F.A.C.O.GOakland, CA 946091750312021
  4. David Marinoff, M.D., F.A.C.O.GOakland, CA 946091972522480
  5. Subhash Mitra, MD, MPH, FACOGOakland, CA 946091750312179
  6. Jonathan Weiss, M.D., F.A.C.O.GOakland, CA 946091770523771
  7. Lawrence Newman, MDOakland, CA 946111316025109
  8. Donald Dyson, MDOakland, CA 946121285712786

Common questions

What is Ralph Thomas Depalma, M.D., F.A.C.O.G's NPI number?

Ralph Thomas Depalma, M.D., F.A.C.O.G's National Provider Identifier (NPI) is 1245260686, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Thomas Depalma, M.D., F.A.C.O.G located?

The NPPES record lists a practice address at 350 30TH St, Oakland, CA, 94609. Phone: (510) 444-0790. Providers update this record themselves, so call before visiting.

How can I verify Ralph Thomas Depalma, M.D., F.A.C.O.G's license?

NPPES lists California license number G44596, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.