NPPES file of Aug 9, 2026

Nadine Aldahhan, DO

Family Medicine Physician · Sausalito, CA

Nadine Aldahhan, DO is a family medicine physician with a practice address in Sausalito, California, and NPI 1609202308, issued on Sep 25, 2013. Check the license (California 20A14150, 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
1609202308
Name
Nadine Aldahhan
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A14150 CA
Self-reported in NPPES; status is on the state search
Practice location
3 Harbor Dr Ste 111, Sausalito, CA 94965
Phone
(415) 683-2988
Enumerated
Sep 25, 2013
Record last updated
Jan 27, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 683-2900
Medicare enrollment
Enrolled (PECOS I20170116000677); accepts Medicare assignment
Medical or professional school
University Of North Texas Hsc, College Of Osteopathic Med, 2013
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 3 Harbor Dr Ste 111

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

  1. Aditi Ahlawat, M.D.Neurology Physician1104207901
  2. Michael Chase, MDInternal Medicine Physician1457423105
  3. Siegried Audfrey Chin, MDInternal Medicine Physician1578295879
  4. Rebecca DuttaNeurology Physician1639730922
  5. Tatiana Huezo, FNP-CFamily Nurse Practitioner1750048260
  6. Hannah Katagiri, NPFamily Nurse Practitioner1801761218

Verify Nadine Aldahhan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A14150
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average family medicine physician in 2024

2,998 Medicare Part D claims for 492 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 61 claims were for opioids.

  1. Nadine Aldahhan2,998
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium269 claims
  2. Levothyroxine Sodium181 claims
  3. Rosuvastatin Calcium162 claims
  4. Lisinopril156 claims
  5. Amlodipine Besylate126 claims
  6. Omeprazole96 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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Rosa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nadine Aldahhan among 17,133 family medicine physician records in California

Nadine Aldahhan, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Sausalito

They are 7 of the 200 NPPES records with a practice address in Sausalito, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lissa Bernstein-Lawler, MDSausalito, CA 949651063239440
  2. Carianne Blomquist, D.O.Sausalito, CA 949651255528972
  3. Cheri Forrester, MDSausalito, CA 949651841237153
  4. John Robinson, MDSausalito, CA 949651578495123
  5. Naureen Shaikh, MDSausalito, CA 949651265470173
  6. Kathleen Zuniga, MDSausalito, CA 949651790426203
  7. Denise Alabart Reyes, M.D.San Quentin, CA 949641003015751
  8. Isa Barth-RogersSan Quentin, CA 949641205196995

Common questions

What is Nadine Aldahhan, DO's NPI number?

Nadine Aldahhan, DO's National Provider Identifier (NPI) is 1609202308, issued on Sep 25, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Nadine Aldahhan, DO located?

The NPPES record lists a practice address at 3 Harbor Dr Ste 111, Sausalito, CA, 94965. Phone: (415) 683-2988. Providers update this record themselves, so call before visiting.

How can I verify Nadine Aldahhan, DO's license?

NPPES lists California license number 20A14150, 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 Nadine Aldahhan, DO prescribe under Medicare Part D?

In 2024, Nadine Aldahhan, DO had 2,998 Medicare Part D claims for 492 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.