NPPES file of Aug 9, 2026

Nancy Humphress Curtis, M.D.

Specialist · Oakland, CA

Nancy Humphress Curtis, M.D. is a specialist with a practice address in Oakland, California, and NPI 1548356348, issued on Oct 5, 2006. Check the license (California G42029, as entered in NPPES) with the California board that licenses this profession; 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
1548356348
Name
Nancy Humphress Curtis
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G42029 CA
Self-reported in NPPES; status is on the state search
Practice location
747 52ND Street, Oakland, CA 94609
Phone
(510) 428-3010
Enumerated
Oct 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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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Also registered at 747 52ND Street

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

  1. Christine Aguilar, MDRehabilitation Practitioner1619058237
  2. Sarah DurneyStudent in an Organized Health Care Education/Training Program1013546472
  3. James Feusner, MDPediatric Hematology & Oncology Physician1720142854
  4. Elizabeth Gleghorn, M.D.Pediatric Gastroenterology Physician1093809659
  5. Carla GoldenPediatric Hematology & Oncology Physician1811086945
  6. Robert Haining, MDRehabilitation Practitioner1396841680

Verify Nancy Humphress Curtis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G42029
    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
Find the California license search

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99% fewer Medicare Part D claims than the average specialist in 2024

14 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Nancy Curtis14
  2. Specialty average1,380

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.

198 specialist records list a practice address in Oakland

They are 198 of the 18,558 NPPES records with a practice address in Oakland, and 5,749 specialist records in California.

Other specialist records in California

  1. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  2. Erlinda Abcede, M.D.Cudahy, CA1831228675
  3. Maher Abdallah, M.D.Palm Springs, CA1205988011
  4. Farinaz AbdiSan Marcos, CA1063153963
  5. Mai Abe, LESanta Monica, CA1609405158
  6. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  7. Jonas AbellaSan Francisco, CA1679760938
  8. Shreedhar Abhyankar, M.D.Indio, CA1861530669
  9. Elaine AbichRiverside, CA1780458927
  10. Mussarat Abidi, MDLadera Ranch, CA1053307769

Common questions

What is Nancy Humphress Curtis, M.D.'s NPI number?

Nancy Humphress Curtis, M.D.'s National Provider Identifier (NPI) is 1548356348, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Humphress Curtis, M.D. located?

The NPPES record lists a practice address at 747 52ND Street, Oakland, CA, 94609. Phone: (510) 428-3010. Providers update this record themselves, so call before visiting.

How can I verify Nancy Humphress Curtis, M.D.'s license?

NPPES lists California license number G42029, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Nancy Humphress Curtis, M.D. prescribe under Medicare Part D?

In 2024, Nancy Humphress Curtis, M.D. had 14 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.