Zariah Chappell, MD
Family Medicine Physician · San Marcos, CA
Zariah Chappell, MD is a family medicine physician with a practice address in San Marcos, California, and NPI 1659990471, issued on Apr 11, 2020. Check the license (California A182754, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zariah Chappell
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A182754 CA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Campus Way, San Marcos, CA 92078
- Phone
- (760) 806-5700
- Enumerated
- Apr 11, 2020
- Record last updated
- Jul 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20230726002506); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2016
- 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 111 Campus Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jackie Do, FNPFamily Nurse Practitioner1356925283
- Elizabeth Saez, FNPPrimary Care Nurse Practitioner1558819649
Verify Zariah Chappell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family medicine physician in 2024
783 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium53 claims
- Amlodipine Besylate45 claims
- Metformin Hcl30 claims
- Gabapentin25 claims
- Rosuvastatin Calcium25 claims
- Trazodone Hcl25 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: $43.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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
- Scripps HealthSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zariah Chappell among 17,133 family medicine physician records in California
Zariah Chappell, MD 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 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
47 family medicine physician records list a practice address in San Marcos
They are 47 of the 1,985 NPPES records with a practice address in San Marcos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Marcos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Imran Ahmed, MDSan Marcos, CA 920781588682561
- Liliana Alvarez-Martinez, MDSan Marcos, CA 920781790833119
- Christopher Cutter, MDSan Marcos, CA 920781538274287
- Luis Esquenazi, M.D.San Marcos, CA 920781700959848
- Corinne Giesemann, MDSan Marcos, CA 920781730115601
- Alan KrystalSan Marcos, CA 920781215078399
- Ledesma Mangubat, MDSan Marcos, CA 920781730237769
- Benny Martin, DOSan Marcos, CA 920781619975232
Common questions
What is Zariah Chappell, MD's NPI number?
Zariah Chappell, MD's National Provider Identifier (NPI) is 1659990471, issued on Apr 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Zariah Chappell, MD located?
The NPPES record lists a practice address at 111 Campus Way, San Marcos, CA, 92078. Phone: (760) 806-5700. Providers update this record themselves, so call before visiting.
How can I verify Zariah Chappell, MD's license?
NPPES lists California license number A182754, 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 Zariah Chappell, MD prescribe under Medicare Part D?
In 2024, Zariah Chappell, MD had 783 Medicare Part D claims for 131 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.