David Matthew Maahs, MD, PHD
Pediatric Endocrinology Physician · Stanford, CA
David Matthew Maahs, MD, PHD is a pediatric endocrinology physician with a practice address in Stanford, California, and NPI 1205853884, issued on Jul 17, 2006. Check the license (California C145798, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Matthew Maahs
- Credential
- MD, PHD
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License numbers
- C145798 CA
44711 CO
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 26, 2024
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 207 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Matthew Maahs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C145798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $5,730.16
7 payments; by number, the most common kind was travel and lodging; the largest payer was Medtronic, Inc. The 931 providers of this specialty with any payment received $4,382.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Matthew Maahs among 207 pediatric endocrinology physician records in California
David Matthew Maahs, MD, PHD is one of 207 pediatric endocrinology physician records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in California
There are 207 pediatric endocrinology physician records in California.
All 207 in California → Every provider in Stanford → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Monica Grover, M.D.Stanford, CA 943051831329101
- Ananta AddalaPalo Alto, CA 943041740669563
- Holly Cooper, M.D.Palo Alto, CA 943041477947349
- Laya EkhlaspourPalo Alto, CA 943041407107055
- Jeffrey Ferrell, MDPalo Alto, CA 943041386148542
- Jennifer Ikle, MDPalo Alto, CA 943041770998031
- Ming Yeh Lee, MD, PHDPalo Alto, CA 943041952805517
- Trang Ly, MBBS FRACP PHDPalo Alto, CA 943041932573987
Common questions
What is David Matthew Maahs, MD, PHD's NPI number?
David Matthew Maahs, MD, PHD's National Provider Identifier (NPI) is 1205853884, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Matthew Maahs, MD, PHD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify David Matthew Maahs, MD, PHD's license?
NPPES lists California license number C145798, 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. 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.