Ana Isabel Velazquez, MD MSC
Medical Oncology Physician · San Francisco, CA
Ana Isabel Velazquez, MD MSC is a medical oncology physician with a practice address in San Francisco, California, and NPI 1144647421, issued on Mar 25, 2014. Check the license (California A154830, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ana Isabel Velazquez
- Credential
- MD MSC
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- A154830 CA
024711 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave, San Francisco, CA 94110
- Phone
- (628) 206-2406
- Enumerated
- Mar 25, 2014
- Record last updated
- Jun 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20210518003062); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1001 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
- Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
- Mary Ann AbilleRegistered Nurse1699155804
- Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
- Elizabeth AdvientoRegistered Nurse1124968987
- Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995
Verify Ana Isabel Velazquez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average medical oncology physician in 2024
401 Medicare Part D claims for 46 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 45 claims were for opioids.
Most prescribed
- Tagrisso84 claims
- Entecavir28 claims
- Oxycodone Hcl23 claims
- Dexamethasone18 claims
- Alecensa15 claims
- Ondansetron Hcl12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29,801.76
38 payments; by number, the most common kind was travel and lodging; the largest payer was Regeneron Pharmaceuticals, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
Other medical oncology physician records in California
- Donald Abrams, MDSan Francisco, CA1679530018
- Ranjana Advani, MDStanford, CA1639225121
- Kambiz Afrasiabi, M.D.Anaheim, CA1578572368
- Mark Agulnik, MDLos Angeles, CA1164448734
- David Agus, M.D.Los Angeles, CA1356328249
- Weiyun Ai, MDSan Francisco, CA1649346842
- Shafqat Akhtar, MDRed Bluff, CA1700960788
- Luai Al Rabadi, M.D.San Francisco, CA1659637452
- Michael Alexander, MDSanta Cruz, CA1053321760
- Sandra AlgazeLos Angeles, CA1861886707
Common questions
What is Ana Isabel Velazquez, MD MSC's NPI number?
Ana Isabel Velazquez, MD MSC's National Provider Identifier (NPI) is 1144647421, issued on Mar 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ana Isabel Velazquez, MD MSC located?
The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (628) 206-2406. Providers update this record themselves, so call before visiting.
How can I verify Ana Isabel Velazquez, MD MSC's license?
NPPES lists California license number A154830, 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 Ana Isabel Velazquez, MD MSC prescribe under Medicare Part D?
In 2024, Ana Isabel Velazquez, MD MSC had 401 Medicare Part D claims for 46 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Ana Isabel Velazquez, MD MSC's MIPS final score?
The 2023 MIPS final score is 91.9 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.