Gregory Cannon, M.D.
Internal Medicine Physician · Monterey, CA
Gregory Cannon, M.D. is an internal medicine physician with a practice address in Monterey, California, and NPI 1568844637, issued on Jun 24, 2015. Check the license (California A150962, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Cannon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A150962 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Upper Ragsdale Dr Bldg A, Monterey, CA 93940
- Phone
- (831) 333-3040
- Enumerated
- Jun 24, 2015
- Record last updated
- Aug 17, 2022
- Medicare enrollment
- Enrolled (PECOS I20190702002526); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2 Upper Ragsdale Dr Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Cannon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A150962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,069 Medicare Part D claims for 702 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 124 claims were for opioids.
Most prescribed
- Atorvastatin Calcium443 claims
- Amlodipine Besylate374 claims
- Levothyroxine Sodium304 claims
- Losartan Potassium304 claims
- Lisinopril269 claims
- Rosuvastatin Calcium172 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
- Montage Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Cannon among 17,696 internal medicine physician records in California
Gregory Cannon, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Monterey
They are 29 of the 1,945 NPPES records with a practice address in Monterey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Monterey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rebecca Abundis, D.OMonterey, CA 939401144227372
- Najwa Bahu Baugh, M.D.Monterey, CA 939401891893657
- Ronald Garren, M.D.Monterey, CA 939401720152663
- Craig Geiler, M.D.Monterey, CA 939401891711529
- Sattar Hadi, MDMonterey, CA 939401437105145
- Georgina Heal, M.D.Monterey, CA 939401639129901
- Edward Kennedy, MDMonterey, CA 939401912098534
- Richard King, MDMonterey, CA 939401144390048
Common questions
What is Gregory Cannon, M.D.'s NPI number?
Gregory Cannon, M.D.'s National Provider Identifier (NPI) is 1568844637, issued on Jun 24, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Cannon, M.D. located?
The NPPES record lists a practice address at 2 Upper Ragsdale Dr Bldg A, Monterey, CA, 93940. Phone: (831) 333-3040. Providers update this record themselves, so call before visiting.
How can I verify Gregory Cannon, M.D.'s license?
NPPES lists California license number A150962, 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 Gregory Cannon, M.D. prescribe under Medicare Part D?
In 2024, Gregory Cannon, M.D. had 7,069 Medicare Part D claims for 702 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.