NPPES file of Aug 9, 2026

Paul D. Blumenthal, MD

Complex Family Planning Physician · Stanford, CA

Paul D. Blumenthal, MD is a complex family planning physician with a practice address in Stanford, California, and NPI 1336202977, issued on Dec 18, 2006. Check the license (California G47601, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336202977
Name
Paul D. Blumenthal
Credential
MD
Primary taxonomy
Complex Family Planning Physician 207VC0300X
License number
G47601 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Dec 18, 2006
Record last updated
Apr 19, 2024
Medicaid ID
1336202977 CA
Medicare enrollment
Enrolled (PECOS I20070515000667); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 1977
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Paul D. Blumenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G47601
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $10,157.04

8 payments; by number, the most common kind was travel and lodging; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 22 providers of this specialty with any payment received $3,879.76 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paul Blumenthal$10,157
  2. Specialty average$3,880

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Complex Family Planning Physician providers in California

There are 23 complex family planning physician records in California.

Other complex family planning physician records in California

  1. Erica Cahill, MDStanford, CA1871936351
  2. Jayne Caron, MDPalo Alto, CA1780213819
  3. Melissa Chen, M.D., M.P.H.Sacramento, CA1144541582
  4. Mitchell Creinin, MDSacramento, CA1801868484
  5. Natalie Dicenzo, MDSacramento, CA1174148027
  6. Anne Flynn, MDSacramento, CA1326435447
  7. Karen Greiner, MD, MPHLa Jolla, CA1427686930
  8. Jaclyn Grentzer, MD, MSCIRiverside, CA1215240338
  9. Maryam Guiahi, M.D.Santa Barbara, CA1386805521
  10. Andrea Henkel, MDStanford, CA1003279209

Common questions

What is Paul D. Blumenthal, MD's NPI number?

Paul D. Blumenthal, MD's National Provider Identifier (NPI) is 1336202977, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul D. Blumenthal, MD 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 Paul D. Blumenthal, MD's license?

NPPES lists California license number G47601, 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.

What is Paul D. Blumenthal, MD's MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.