Christopher Montanaro, D.O.
General Practice Physician · Grass Valley, CA
Christopher Montanaro, D.O. is a general practice physician with a practice address in Grass Valley, California, and NPI 1871630970, issued on Jan 30, 2007. Check the license (California 20A7304, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Montanaro
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 20A7304 CA
Self-reported in NPPES; status is on the state search - Practice location
- 565 Brunswick RD, Grass Valley, CA 95945
- Phone
- (530) 274-7174
- Enumerated
- Jan 30, 2007
- Record last updated
- Jan 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (530) 274-7194
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
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Verify Christopher Montanaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average general practice physician in 2024
190 Medicare Part D claims for 44 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Liothyronine Sodium26 claims
- Amlodipine Besylate17 claims
- Progesterone14 claims
- Armour Thyroid12 claims
- Levothyroxine Sodium11 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.
Christopher Montanaro among 1,956 general practice physician records in California
Christopher Montanaro, D.O. is one of 1,956 general practice physician records with a practice address in California. 48% 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 34% of them.
- NPI issued2007 · 34% of these records are older, 50% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Grass Valley → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Angela Ingendaay, M.D.Grass Valley, CA 959451952461295
- Christiane Wolters, M.D.Penn Valley, CA 959461700202546
- Hanna Rhee, M.D.Gridley, CA 959481831261874
- Sandra Goldberg, ND, LACNevada City, CA 959591144801697
- Gerald Lance, M.D.Nevada City, CA 959591801153200
- Roger Morrison, M.D.Nevada City, CA 959591083829550
- Peter Vanhouten, M.D.Nevada City, CA 959591841411758
- Patrick Wagner, MDNevada City, CA 959591760275036
Common questions
What is Christopher Montanaro, D.O.'s NPI number?
Christopher Montanaro, D.O.'s National Provider Identifier (NPI) is 1871630970, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Montanaro, D.O. located?
The NPPES record lists a practice address at 565 Brunswick RD, Grass Valley, CA, 95945. Phone: (530) 274-7174. Providers update this record themselves, so call before visiting.
How can I verify Christopher Montanaro, D.O.'s license?
NPPES lists California license number 20A7304, 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 Christopher Montanaro, D.O. prescribe under Medicare Part D?
In 2024, Christopher Montanaro, D.O. had 190 Medicare Part D claims for 44 beneficiaries; the average among general practice physician prescribers was 3,030. 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.