NPPES file of Aug 9, 2026

Siegried Audfrey Flores Chin, MD

Internal Medicine Physician · Sausalito, CA

Siegried Audfrey Flores Chin, MD is an internal medicine physician with a practice address in Sausalito, California, and NPI 1578295879, issued on Jun 27, 2022. Check the license (California A206150, 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
1578295879
Name
Siegried Audfrey Flores Chin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A206150 CA
R80335 AZ
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
Jun 27, 2022
Record last updated
May 20, 2026
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 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. Nadine Aldahhan, DOFamily Medicine Physician1609202308
  3. Michael Chase, MDInternal Medicine Physician1457423105
  4. Rebecca DuttaNeurology Physician1639730922
  5. Tatiana Huezo, FNP-CFamily Nurse Practitioner1750048260
  6. Hannah Katagiri, NPFamily Nurse Practitioner1801761218

Verify Siegried Audfrey Flores Chin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A206150
    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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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

117 Medicare Part D claims for 53 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Siegried Audfrey Chin117
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium13 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.

Siegried Audfrey Flores Chin among 17,696 internal medicine physician records in California

Siegried Audfrey Flores Chin, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 internal medicine physician records list a practice address in Sausalito

They are 7 of the 200 NPPES records with a practice address in Sausalito, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Chase, MDSausalito, CA 949651457423105
  2. Keith Desrochers, MDSausalito, CA 949651396163416
  3. Bradly Jacobs, MDSausalito, CA 949651184680258
  4. Matthew Meldorf, M.D.Sausalito, CA 949651396002812
  5. Carolyn Petersen, M.D.Sausalito, CA 949651215381173
  6. Lawrence Posner, MDSausalito, CA 949651952390098
  7. Clarene David, M.D.San Quentin, CA 949641093917155
  8. Renee Kanan, MDSan Quentin, CA 949641255520565

Common questions

What is Siegried Audfrey Flores Chin, MD's NPI number?

Siegried Audfrey Flores Chin, MD's National Provider Identifier (NPI) is 1578295879, issued on Jun 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Siegried Audfrey Flores Chin, MD 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 Siegried Audfrey Flores Chin, MD's license?

NPPES lists California license number A206150, 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 Siegried Audfrey Flores Chin, MD prescribe under Medicare Part D?

In 2024, Siegried Audfrey Flores Chin, MD had 117 Medicare Part D claims for 53 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.