Isaac Jordan Davis, DO
Internal Medicine Physician · Bonita, CA
Isaac Jordan Davis, DO is an internal medicine physician with a practice address in Bonita, California, and NPI 1487232419, issued on Mar 31, 2021. Check the license (California 20A23924, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isaac Jordan Davis
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A23924 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3955 Bonita RD, Bonita, CA 91902
- Phone
- (800) 291-6054
- Enumerated
- Mar 31, 2021
- Record last updated
- Jun 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20250808001772); accepts Medicare assignment
- Medical or professional school
- Alabama College Of Osteopathic Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3955 Bonita RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cristina BahenaBehavior Technician1710582226
- Julie Ball, PHARMDPharmacist1720266240
- Michele Dumstorff, PHARM. D.Pharmacist1396923967
- Jacqueline Haro, O.D.Optometrist1275797888
- Sarah Herrera, MDFamily Medicine Physician1356927313
- Clint Hoangquocgia, D.O.Internal Medicine Physician1225240518
Verify Isaac Jordan Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23924Check 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 internal medicine physician in 2024
195 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Lisinopril13 claims
- Lantus Solostar11 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
- Southern California Permanente Medical GroupBonita, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Jordan Davis among 17,696 internal medicine physician records in California
Isaac Jordan Davis, DO 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
6 internal medicine physician records list a practice address in Bonita
They are 6 of the 140 NPPES records with a practice address in Bonita, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bonita → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Clint Hoangquocgia, D.O.Bonita, CA 919021225240518
- Brett Holko, D.O.Bonita, CA 919021740398213
- Jose Leon, MDBonita, CA 919021962471292
- Rosevelle McMillin, M.D.Bonita, CA 919021750573309
- Donald Sandweiss, M.D.Bonita, CA 919021790078921
- Joyce Kellawon, MDAlpine, CA 919011780795476
- Robert Klemens, M.D.Alpine, CA 919011912244856
- Dana Ryan, DR.Alpine, CA 919011780609990
Common questions
What is Isaac Jordan Davis, DO's NPI number?
Isaac Jordan Davis, DO's National Provider Identifier (NPI) is 1487232419, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Jordan Davis, DO located?
The NPPES record lists a practice address at 3955 Bonita RD, Bonita, CA, 91902. Phone: (800) 291-6054. Providers update this record themselves, so call before visiting.
How can I verify Isaac Jordan Davis, DO's license?
NPPES lists California license number 20A23924, 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 Isaac Jordan Davis, DO prescribe under Medicare Part D?
In 2024, Isaac Jordan Davis, DO had 195 Medicare Part D claims for 59 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.