Donna Defreitas, M.D.
Infectious Disease Physician · San Francisco, CA
Donna Defreitas, M.D. is an infectious disease physician with a practice address in San Francisco, California, and NPI 1457331498, issued on Jan 17, 2006. Check the license (California A79667, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donna Defreitas
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A79667 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Stanyan St # T2-10, San Francisco, CA 94117
- Phone
- (415) 750-5736
- Enumerated
- Jan 17, 2006
- Record last updated
- Nov 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 591-7141
- Medicare enrollment
- Enrolled (PECOS I20210518001269); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Donna Defreitas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average infectious disease physician in 2024
260 Medicare Part D claims for 64 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Biktarvy46 claims
- Cephalexin18 claims
- Ciprofloxacin Hcl12 claims
- Sulfamethoxazole-Trimethoprim12 claims
- Daptomycin11 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): 100 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: $587.44
26 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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 one group practice
- Texas Centers For Infectious Disease Associates PAFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donna Defreitas among 1,119 infectious disease physician records in California
Donna Defreitas, M.D. is one of 1,119 infectious disease 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2003 among the 735 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in San Francisco → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jose Eguia, MDSan Francisco, CA 941171972565307
- Shereen Katrak, MDSan Francisco, CA 941171821315243
- Qi Quan Leong, M.D.San Francisco, CA 941171457761082
- Vanessa Wormser, DOSan Francisco, CA 941171023514700
- Stephen Cohen, MDSan Francisco, CA 941161003241878
- David Busch, M.D.San Francisco, CA 941151942343975
- Andrew FaulkSan Francisco, CA 941151598224222
- Shelley Gordon, M.D.San Francisco, CA 941151841334521
Common questions
What is Donna Defreitas, M.D.'s NPI number?
Donna Defreitas, M.D.'s National Provider Identifier (NPI) is 1457331498, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donna Defreitas, M.D. located?
The NPPES record lists a practice address at 450 Stanyan St # T2-10, San Francisco, CA, 94117. Phone: (415) 750-5736. Providers update this record themselves, so call before visiting.
How can I verify Donna Defreitas, M.D.'s license?
NPPES lists California license number A79667, 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 Donna Defreitas, M.D. prescribe under Medicare Part D?
In 2024, Donna Defreitas, M.D. had 260 Medicare Part D claims for 64 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Donna Defreitas, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.