Dolores Katarzyna Musco, M.D.
Family Medicine Physician · San Ramon, CA
Dolores Katarzyna Musco, M.D. is a family medicine physician with a practice address in San Ramon, California, and NPI 1679601611, issued on Mar 1, 2007. Check the license (California A77723, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dolores Katarzyna Musco
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A77723 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12677 Alcosta Blvd Ste 175, San Ramon, CA 94583
- Phone
- (925) 856-5668
- Enumerated
- Mar 1, 2007
- Record last updated
- May 14, 2025
- Fax
- (925) 856-4020
- Medicare enrollment
- Enrolled (PECOS I20041215000824); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 12677 Alcosta Blvd Ste 175
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Musco, M.D.Family Medicine Physician1578691523
- Timothy Sayles, PA-CMedical Physician Assistant1851544712
Verify Dolores Katarzyna Musco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,544 Medicare Part D claims for 123 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium156 claims
- Atorvastatin Calcium105 claims
- Levothyroxine Sodium66 claims
- Lisinopril57 claims
- Amlodipine Besylate41 claims
- Gabapentin40 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 MIPS final score for 2023 (Medicare payment program): 87.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $32.25
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dolores Katarzyna Musco among 17,133 family medicine physician records in California
Dolores Katarzyna Musco, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
34 family medicine physician records list a practice address in San Ramon
They are 34 of the 2,281 NPPES records with a practice address in San Ramon, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Ramon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eena Duggal, M.D.San Ramon, CA 945831619052271
- Bradford Flagg, M.D.San Ramon, CA 945831346323086
- Ralph Fong, M.D.San Ramon, CA 945831447290994
- Ethan Hollander, M.D.San Ramon, CA 945831528003597
- Afsheen Mostofi, D.O.San Ramon, CA 945831275607848
- Mark Musco, M.D.San Ramon, CA 945831578691523
- Marjan Naraghi-Arani, D.O.San Ramon, CA 945831821187881
- Jolanta Omski, MDSan Ramon, CA 945831881635688
Common questions
What is Dolores Katarzyna Musco, M.D.'s NPI number?
Dolores Katarzyna Musco, M.D.'s National Provider Identifier (NPI) is 1679601611, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dolores Katarzyna Musco, M.D. located?
The NPPES record lists a practice address at 12677 Alcosta Blvd Ste 175, San Ramon, CA, 94583. Phone: (925) 856-5668. Providers update this record themselves, so call before visiting.
How can I verify Dolores Katarzyna Musco, M.D.'s license?
NPPES lists California license number A77723, 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 Dolores Katarzyna Musco, M.D. prescribe under Medicare Part D?
In 2024, Dolores Katarzyna Musco, M.D. had 1,544 Medicare Part D claims for 123 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Dolores Katarzyna Musco, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.3 of 100. 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.