Rachel C. Callaghan, M.D.
Internal Medicine Physician · Oakland, CA
Rachel C. Callaghan, M.D. is an internal medicine physician with a practice address in Oakland, California, and NPI 1548239627, issued on Mar 14, 2006. Check the license (California G86533, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rachel C. Callaghan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G86533 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 30TH St, Oakland, CA 94609
- Phone
- (510) 869-8712
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 350 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vanessa AuBone Densitometry Radiologic Technologist1972671725
- Christopher Bautista, M.D.Internal Medicine Physician1346539509
- Lori Beltran, D.O.Family Medicine Physician1053567768
- Alice Benham, NPFamily Nurse Practitioner1578611570
- Cyril Callister, PA-CMedical Physician Assistant1871518977
- Kenneth Chang, M.D.Surgery Physician1952544355
Verify Rachel C. Callaghan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G86533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
432 internal medicine physician records list a practice address in Oakland
They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 432 in Oakland → All 17,696 in California → Every provider in Oakland →
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- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Rachel C. Callaghan, M.D.'s NPI number?
Rachel C. Callaghan, M.D.'s National Provider Identifier (NPI) is 1548239627, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel C. Callaghan, M.D. located?
The NPPES record lists a practice address at 350 30TH St, Oakland, CA, 94609. Phone: (510) 869-8712. Providers update this record themselves, so call before visiting.
How can I verify Rachel C. Callaghan, M.D.'s license?
NPPES lists California license number G86533, 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.
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.