NPPES file of Aug 9, 2026

Ria Paul, M. D.

Geriatric Medicine (Internal Medicine) Physician · Stanford, CA

Ria Paul, M. D. is a geriatric medicine (internal medicine) physician with a practice address in Stanford, California, and NPI 1649293176, issued on Jul 25, 2006. Check the license (California A80263, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649293176
Name
Ria Paul
Credential
M. D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A80263 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Jul 25, 2006
Record last updated
May 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081218000027); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 Ria Paul in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A80263
    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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74% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,121 Medicare Part D claims for 83 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Ria Paul1,121
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium73 claims
  2. Amlodipine Besylate69 claims
  3. Lisinopril44 claims
  4. Losartan Potassium44 claims
  5. Levothyroxine Sodium37 claims
  6. Hydrochlorothiazide35 claims

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.

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.

Ria Paul among 532 geriatric medicine (internal medicine) physician records in California

Ria Paul, M. D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1994 · median 1999 among the 271 with a school on file
  • Record last updated2016 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Julianna Marwell, M.D.Stanford, CA 943051508128075
  2. Sarah Samandary, M.D.Stanford, CA 943051841723749
  3. Meera Sheffrin, M.D.Stanford, CA 943051366755423
  4. Vittavat Termglinchan, M.D.Stanford, CA 943051629432729
  5. Anne Wakamiya, M.D.Stanford, CA 943051063774610
  6. Ravnit Bhatia, DOPalo Alto, CA 943041093208084
  7. John Cesca, MDPalo Alto, CA 943041861589228
  8. Heather Cousins, M DPalo Alto, CA 943041255425807

Common questions

What is Ria Paul, M. D.'s NPI number?

Ria Paul, M. D.'s National Provider Identifier (NPI) is 1649293176, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ria Paul, M. D. 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 Ria Paul, M. D.'s license?

NPPES lists California license number A80263, 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.

How much does Ria Paul, M. D. prescribe under Medicare Part D?

In 2024, Ria Paul, M. D. had 1,121 Medicare Part D claims for 83 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.