Jennifer Lynn Poast, D.O.
Internal Medicine Physician · San Diego, CA
Jennifer Lynn Poast, D.O. is an internal medicine physician with a practice address in San Diego, California, and NPI 1164435681, issued on Aug 14, 2006. Check the license (California 20A8245, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Lynn Poast
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A8245 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4290 Polk Ave, San Diego, CA 92105
- Phone
- (619) 563-0507
- Enumerated
- Aug 14, 2006
- Record last updated
- Dec 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (619) 563-0015
- Medicare enrollment
- Enrolled (PECOS I20040405000853); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4290 Polk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jane BoydInternal Medicine Physician1861473191
- Della Burns, NPNurse Practitioner1871577023
- Deena Chusid, RDRegistered Dietitian1578865184
- Melissa Fortner, PACMedical Physician Assistant1972584209
Verify Jennifer Lynn Poast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
210 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium14 claims
- Amlodipine Besylate11 claims
- Oxycodone-Acetaminophen11 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
- Centro DE Salud DE LA Comunidad DE San Ysidro, Inc.Chula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Lynn Poast among 17,696 internal medicine physician records in California
Jennifer Lynn Poast, D.O. 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
- Graduated1998 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jane BoydSan Diego, CA 921051861473191
- Diana Marquardt, MDSan Diego, CA 921051114909454
- Wadi Rouel, M.D.San Diego, CA 921051740254713
- Lorrie Strohecker, MDSan Diego, CA 921051205818531
- Adla Tessier, M.D.San Diego, CA 921051013915594
- Anshu Vashishtha, MDSan Diego, CA 921051457572281
- Martha Benitez, DOSan Diego, CA 921041124521901
- Tsuh-Yin Chen, MDSan Diego, CA 921041093803520
Common questions
What is Jennifer Lynn Poast, D.O.'s NPI number?
Jennifer Lynn Poast, D.O.'s National Provider Identifier (NPI) is 1164435681, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Lynn Poast, D.O. located?
The NPPES record lists a practice address at 4290 Polk Ave, San Diego, CA, 92105. Phone: (619) 563-0507. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Lynn Poast, D.O.'s license?
NPPES lists California license number 20A8245, 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 Jennifer Lynn Poast, D.O. prescribe under Medicare Part D?
In 2024, Jennifer Lynn Poast, D.O. had 210 Medicare Part D claims for 49 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.