Robyn Diane Jacoby, DO
Family Medicine Physician · Claremont, CA
Robyn Diane Jacoby, DO is a family medicine physician with a practice address in Claremont, California, and NPI 1487623575, issued on Mar 14, 2006. Check the license (California 20A7474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robyn Diane Jacoby
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A7474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 430 W Baseline RD, Claremont, CA 91711
- Phone
- (909) 621-3916
- Enumerated
- Mar 14, 2006
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (909) 625-0903
- Medicaid ID
- 00AX74740 CA
- Medicare enrollment
- Enrolled (PECOS I20050418001220); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 430 W Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Kasem, MDFamily Medicine Physician1982639993
- Glenn Miya, MDPediatrics Physician1912967894
- Paul Orr, M.D.Family Medicine Physician1417950221
- Robert Rocco, MDFamily Medicine Physician1982826236
Verify Robyn Diane Jacoby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average family medicine physician in 2024
4,305 Medicare Part D claims for 365 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 71 claims were for opioids.
Most prescribed
- Atorvastatin Calcium353 claims
- Levothyroxine Sodium269 claims
- Losartan Potassium121 claims
- Hydrochlorothiazide117 claims
- Lisinopril110 claims
- Omeprazole92 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $96.09
5 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Chaparral Medical Group IncPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robyn Diane Jacoby among 17,133 family medicine physician records in California
Robyn Diane Jacoby, DO is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2005 among the 10,652 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 family medicine physician records list a practice address in Claremont
They are 34 of the 800 NPPES records with a practice address in Claremont, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Claremont → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alan Bergen, M.D.Claremont, CA 917111700022118
- Javier Chang, M.D.Claremont, CA 917111558565366
- Jennie Ho, M.D.Claremont, CA 917111013082403
- Lester Holstein, MDClaremont, CA 917111720088792
- Mary Kasem, MDClaremont, CA 917111982639993
- Yen Lai, MDClaremont, CA 917111033110671
- Paul Orr, M.D.Claremont, CA 917111417950221
- Jin Park, D.O.Claremont, CA 917111992800353
Common questions
What is Robyn Diane Jacoby, DO's NPI number?
Robyn Diane Jacoby, DO's National Provider Identifier (NPI) is 1487623575, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robyn Diane Jacoby, DO located?
The NPPES record lists a practice address at 430 W Baseline RD, Claremont, CA, 91711. Phone: (909) 621-3916. Providers update this record themselves, so call before visiting.
How can I verify Robyn Diane Jacoby, DO's license?
NPPES lists California license number 20A7474, 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 Robyn Diane Jacoby, DO prescribe under Medicare Part D?
In 2024, Robyn Diane Jacoby, DO had 4,305 Medicare Part D claims for 365 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Robyn Diane Jacoby, DO's MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.