Robert T. Calvert, D.O.
Addiction Medicine (Family Medicine) Physician · Alpine, CA
Robert T. Calvert, D.O. is an addiction medicine (family medicine) physician with a practice address in Alpine, California, and NPI 1922458298, issued on Jun 17, 2016. Check the license (California 20A23529, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert T. Calvert
- Credential
- D.O.
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License numbers
- 20A23529 CA
12488444-1204 UT
Self-reported in NPPES; status is on the state search - Practice location
- 4058 Willows RD, Alpine, CA 91901
- Phone
- (619) 445-1188
- Enumerated
- Jun 17, 2016
- Record last updated
- Aug 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20250702002867); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2016
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Also registered at 4058 Willows RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shelly Aledo, ACSWClinical Social Worker1508316696
- Lacey ArmstrongDental Hygienist1073126884
- Amanjyot Bains, DDSPediatric Dentistry1629635263
- April Ball, RDNRegistered Dietitian1255147187
- Joshua Blessing, M.D.Family Medicine Physician1225566714
- Linda Branch, RDADental Assistant1962775429
Verify Robert T. Calvert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
482 Medicare Part D claims for 64 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium33 claims
- Eliquis27 claims
- Amlodipine Besylate22 claims
- Lisinopril19 claims
- Atorvastatin Calcium16 claims
- Pregabalin14 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
- Southern Indian Health CouncilAlpine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert T. Calvert among 124 addiction medicine (family medicine) physician records in California
Robert T. Calvert, D.O. is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 59% of them.
- NPI issued2016 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2016 · median 2015 among the 64 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Alpine → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Nicole Marie BarcegaChula Vista, CA 919101538801402
- Lakai Banks-Dean, MDEl Cajon, CA 920211346746930
- Jong Hun Kim, MDPomona, CA 917671417477183
- Moses Nasser, D.O.Glendora, CA 917401902023682
- Renan Rojas, M.D.San Marcos, CA 920691730404344
- Jerry Ayers, MDSan Diego, CA 921011104977602
- Francisco Pardo, M.D.San Diego, CA 921011699844621
- Dale Apodaca, M.D.San Diego, CA 921031598036436
Common questions
What is Robert T. Calvert, D.O.'s NPI number?
Robert T. Calvert, D.O.'s National Provider Identifier (NPI) is 1922458298, issued on Jun 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert T. Calvert, D.O. located?
The NPPES record lists a practice address at 4058 Willows RD, Alpine, CA, 91901. Phone: (619) 445-1188. Providers update this record themselves, so call before visiting.
How can I verify Robert T. Calvert, D.O.'s license?
NPPES lists California license number 20A23529, 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 Robert T. Calvert, D.O. prescribe under Medicare Part D?
In 2024, Robert T. Calvert, D.O. had 482 Medicare Part D claims for 64 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.