Rebecca June Bastian, M.D.
Hospice and Palliative Medicine (Internal Medicine) Physician · Vallejo, CA
Rebecca June Bastian, M.D. is a hospice and palliative medicine (internal medicine) physician with a practice address in Vallejo, California, and NPI 1578875324, issued on Jul 9, 2010. Check the license (California A117932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rebecca June Bastian
- Credential
- M.D.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- A117932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-1000
- Enumerated
- Jul 9, 2010
- Record last updated
- Jun 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20150404000051); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 260 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Rebecca June Bastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
187 Medicare Part D claims for 84 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate13 claims
- Furosemide13 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
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca June Bastian among 260 hospice and palliative medicine (internal medicine) physician records in California
Rebecca June Bastian, M.D. is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 44% of them.
- NPI issued2010 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2010 · median 2010 among the 193 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.
All 260 in California → Every provider in Vallejo → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Sandra Karpenko, M.D.Walnut Creek, CA 945951780745281
- Aliya Gessling, M.D.Walnut Creek, CA 945961912389149
- Mariko Feuz, DOWalnut Creek, CA 945971912575853
- Levy Jo Manuntag, MDWalnut Creek, CA 945971932696846
- Shabnam Yekta, M.D.Walnut Creek, CA 945971932513744
- Natalia Zielkiewicz, M.D.Walnut Creek, CA 945971033272729
- Donna Foliart, M.D.Walnut Creek, CA 945981205051687
- Fallon Bushee, MDOakland, CA 946021750918769
Common questions
What is Rebecca June Bastian, M.D.'s NPI number?
Rebecca June Bastian, M.D.'s National Provider Identifier (NPI) is 1578875324, issued on Jul 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca June Bastian, M.D. located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.
How can I verify Rebecca June Bastian, M.D.'s license?
NPPES lists California license number A117932, 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 Rebecca June Bastian, M.D. prescribe under Medicare Part D?
In 2024, Rebecca June Bastian, M.D. had 187 Medicare Part D claims for 84 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.