NPPES file of Aug 9, 2026

Alexandra Cristina Villasante Fricke, MD

Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA

Alexandra Cristina Villasante Fricke, MD is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1003293671, issued on May 2, 2015. Check the license 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
1003293671
Name
Alexandra Cristina Villasante Fricke
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
331990 NY
ME146640 FL
LP03808 RI
Self-reported in NPPES; status is on the state search
Practice location
655 Montgomery St Ste 810, San Francisco, CA 94111
Phone
(844) 847-8216
Enumerated
May 2, 2015
Record last updated
Sep 11, 2024
Fax
(415) 520-9150
Medicare enrollment
Enrolled (PECOS I20241107003458); 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 655 Montgomery St Ste 810

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

  1. Orly Aaron, NPFamily Nurse Practitioner1376912451
  2. Tashnie Burgess, FNPNurse Practitioner1861850398
  3. Brandt CrawfordFamily Nurse Practitioner1275290223
  4. Kayla Cunningham, MDEndocrinology, Diabetes & Metabolism Physician1609894534
  5. Allyson D'Amico, NPNurse Practitioner1205118858
  6. Kylie Di Lulo, NP-CNurse Practitioner1932741212

Verify Alexandra Cristina Villasante Fricke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

69 Medicare Part D claims for 17 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.

  1. Alexandra Villasante Fricke69
  2. Specialty average2,630

Most prescribed

  1. Mounjaro28 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. Icahn School OF Medicine AT Mount SinaiNew York, NY

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

Alexandra Cristina Villasante Fricke among 1,131 endocrinology, diabetes & metabolism physician records in California

Alexandra Cristina Villasante Fricke, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2015 · median 2003 among the 779 with a school on file
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Kayla Cunningham, MDSan Francisco, CA 941111609894534
  2. Margaret Eagan, MDSan Francisco, CA 941111386639656
  3. Megan Guerrero, M.D.San Francisco, CA 941111194067520
  4. Caroline Roberts, M.D.San Francisco, CA 941111659447902
  5. Greeshma Shetty, M.D.San Francisco, CA 941111598967093
  6. Nancy Bohannon, M.D.San Francisco, CA 941101063428001
  7. Marisa Cruz, M.D.San Francisco, CA 941101053632216
  8. Kristine Gu, MDSan Francisco, CA 941101033614888

Common questions

What is Alexandra Cristina Villasante Fricke, MD's NPI number?

Alexandra Cristina Villasante Fricke, MD's National Provider Identifier (NPI) is 1003293671, issued on May 2, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Cristina Villasante Fricke, MD located?

The NPPES record lists a practice address at 655 Montgomery St Ste 810, San Francisco, CA, 94111. Phone: (844) 847-8216. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Cristina Villasante Fricke, MD's license?

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 Alexandra Cristina Villasante Fricke, MD prescribe under Medicare Part D?

In 2024, Alexandra Cristina Villasante Fricke, MD had 69 Medicare Part D claims for 17 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.