Donna Baldassare, DO
Hospice and Palliative Medicine (Internal Medicine) Physician · San Mateo, CA
Donna Baldassare, DO is a hospice and palliative medicine (internal medicine) physician with a practice address in San Mateo, California, and NPI 1962662478, issued on Jun 10, 2008. Check the license (California 23709, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donna Baldassare
- Credential
- DO
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License numbers
- 23709 CA
2016-02456 NC
83751 SC
0102203602 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1875 S Grant St, San Mateo, CA 94402
- Phone
- (888) 227-8884
- Enumerated
- Jun 10, 2008
- Record last updated
- Nov 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20240912003363); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1875 S Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jan Clements, APRNGerontology Nurse Practitioner1124449285
- Danielle Jackson-Tross, MSN, APRN, FNP-BCNurse Practitioner1720598881
Verify Donna Baldassare in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 23709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
276 Medicare Part D claims for 11 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. 139 claims were for opioids.
Most prescribed
- Oxycodone Hcl78 claims
- Duloxetine Hcl34 claims
- Pregabalin29 claims
- Oxymorphone Hcl Er27 claims
- Gabapentin23 claims
- Dexamethasone21 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
- Virtual Care Medical Services, P.C.New York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in California
There are 260 hospice and palliative medicine (internal medicine) physician records in California.
Other hospice and palliative medicine (internal medicine) physician records in California
- Marietta Abalos-Galito, M.D.San Jose, CA1437277092
- Patrick Joseph Alix, MDGlendora, CA1457352783
- Vishar Amin, M.D.San Diego, CA1326484577
- Jeffrey Angeles, M.D.West Hollywood, CA1841427226
- Mohammed Iqbal Ansari, MDBuena Park, CA1972265544
- Anna Armitage, MDLos Angeles, CA1952938300
- Chandana Banerjee, MDDuarte, CA1609168277
- Todd Barrett, M.D.San Francisco, CA1184888760
- Rebecca Bastian, M.D.Vallejo, CA1578875324
- Laura Battle, M.D.Oakland, CA1770826869
Common questions
What is Donna Baldassare, DO's NPI number?
Donna Baldassare, DO's National Provider Identifier (NPI) is 1962662478, issued on Jun 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Donna Baldassare, DO located?
The NPPES record lists a practice address at 1875 S Grant St, San Mateo, CA, 94402. Phone: (888) 227-8884. Providers update this record themselves, so call before visiting.
How can I verify Donna Baldassare, DO's license?
NPPES lists California license number 23709, 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 Baldassare, DO prescribe under Medicare Part D?
In 2024, Donna Baldassare, DO had 276 Medicare Part D claims for 11 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.