Monica O. Ferguson, MD
Internal Medicine Physician · Santa Rosa, CA
Monica O. Ferguson, MD is an internal medicine physician with a practice address in Santa Rosa, California, and NPI 1528176989, issued on Aug 27, 2006. Check the license (California C137803, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Monica O. Ferguson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C137803 CA
MD066523L PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Doyle Park Dr, Santa Rosa, CA 95405
- Phone
- (707) 303-8300
- Enumerated
- Aug 27, 2006
- Record last updated
- Aug 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (707) 303-8301
- Medicaid ID
- 001708137 PA
- Medicare enrollment
- Enrolled (PECOS I20150918001604); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1995
- 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 500 Doyle Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chad Barylski, NP-C, RN, DC, DACBSPNurse Practitioner1932358553
- Joshua Beirne, M.D.Gastroenterology Physician1841216041
- George Bisbee, MDInternal Medicine Physician1235122516
- Deborah Britt, M.D.Pediatrics Physician1316959307
Verify Monica O. Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C137803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average internal medicine physician in 2024
3,348 Medicare Part D claims for 359 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 77 claims were for opioids.
Most prescribed
- Atorvastatin Calcium260 claims
- Levothyroxine Sodium206 claims
- Amlodipine Besylate156 claims
- Lisinopril114 claims
- Escitalopram Oxalate96 claims
- Losartan Potassium79 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.
Industry payments in 2024: $103.01
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Monica O. Ferguson among 17,696 internal medicine physician records in California
Monica O. Ferguson, MD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 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).
98 internal medicine physician records list a practice address in Santa Rosa
They are 98 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Rosa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nicholas Anton, MDSanta Rosa, CA 954051659364933
- George Bisbee, MDSanta Rosa, CA 954051235122516
- David Capaccio, DOSanta Rosa, CA 954051457355364
- David Charp, M.D.Santa Rosa, CA 954051053335208
- Catherine Davis, MDSanta Rosa, CA 954051497748776
- Marlon Decastro, M.D.Santa Rosa, CA 954051780643270
- John Hurwitz, DOSanta Rosa, CA 954051124018262
- Adina Logan, M.D.Santa Rosa, CA 954051881667178
Common questions
What is Monica O. Ferguson, MD's NPI number?
Monica O. Ferguson, MD's National Provider Identifier (NPI) is 1528176989, issued on Aug 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Monica O. Ferguson, MD located?
The NPPES record lists a practice address at 500 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 303-8300. Providers update this record themselves, so call before visiting.
How can I verify Monica O. Ferguson, MD's license?
NPPES lists California license number C137803, 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 Monica O. Ferguson, MD prescribe under Medicare Part D?
In 2024, Monica O. Ferguson, MD had 3,348 Medicare Part D claims for 359 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.