Peter R. Callaham, MD
Cardiovascular Disease Physician · Grass Valley, CA
Peter R. Callaham, MD is a cardiovascular disease physician with a practice address in Grass Valley, California, and NPI 1750305025, issued on Jul 27, 2006. Check the license (California G54736, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter R. Callaham
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G54736 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 Sierra College Dr Ste 205, Grass Valley, CA 95945
- Phone
- (530) 273-8452
- Enumerated
- Jul 27, 2006
- Record last updated
- May 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (530) 477-5182
- Medicaid ID
- 00G547360 CA
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 280 Sierra College Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Bialka, PA-CMedical Physician Assistant1982964417
- Amy Clement, PA-CPhysician Assistant1134643646
- Doris Whittlesey, PA-CMedical Physician Assistant1811034465
Verify Peter R. Callaham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
543 Medicare Part D claims for 163 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Eliquis80 claims
- Carvedilol36 claims
- Amlodipine Besylate35 claims
- Losartan Potassium32 claims
- Repatha Sureclick31 claims
- Atorvastatin Calcium30 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.
Peter R. Callaham among 2,574 cardiovascular disease physician records in California
Peter R. Callaham, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Grass Valley → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Anabel Facemire, MDGrass Valley, CA 959451427043280
- John Mallery, MDGrass Valley, CA 959451780664201
- Kenneth Marvin, MDGrass Valley, CA 959451417035221
- Ryan Smith, M.D.Grass Valley, CA 959451639197452
- Nathaniel Woodruff, M.D., PHD, FACCGrass Valley, CA 959451275623191
- Peter Magnusson, M.D.Chico, CA 959261164595914
- Marcia Moore, MDChico, CA 959261104875269
- Catherine Prince, D.O.Chico, CA 959261649539586
Common questions
What is Peter R. Callaham, MD's NPI number?
Peter R. Callaham, MD's National Provider Identifier (NPI) is 1750305025, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter R. Callaham, MD located?
The NPPES record lists a practice address at 280 Sierra College Dr Ste 205, Grass Valley, CA, 95945. Phone: (530) 273-8452. Providers update this record themselves, so call before visiting.
How can I verify Peter R. Callaham, MD's license?
NPPES lists California license number G54736, 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 Peter R. Callaham, MD prescribe under Medicare Part D?
In 2024, Peter R. Callaham, MD had 543 Medicare Part D claims for 163 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.