Joan Marie Chapman, D.O.
Internal Medicine Physician · Palmdale, CA
Joan Marie Chapman, D.O. is an internal medicine physician with a practice address in Palmdale, California, and NPI 1225329733, issued on May 2, 2011. Check the license (California 20A 12511, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joan Marie Chapman
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A 12511 CA
Self-reported in NPPES; status is on the state search - Practice location
- 38600 Medical Center Dr, Palmdale, CA 93551
- Phone
- (661) 382-5000
- Enumerated
- May 2, 2011
- Record last updated
- Sep 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (661) 382-6183
- Medicare enrollment
- Enrolled (PECOS I20141103002263); 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 38600 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chris AglubaPhysical Therapist1104671155
- Sadia AkramStudent in an Organized Health Care Education/Training Program1689517633
- Albert Amoani, PACPhysician Assistant1689613515
- Ralph James Andres, MDStudent in an Organized Health Care Education/Training Program1285438523
- Oscar Arcia, MDStudent in an Organized Health Care Education/Training Program1215870308
- Edgardo Arevalo, MDStudent in an Organized Health Care Education/Training Program1427859750
Verify Joan Marie Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A 12511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Acute Care Associates OF California PCPalmdale, CA
- Bartz-Altadonna Community Health CenterLancaster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joan Marie Chapman among 17,696 internal medicine physician records in California
Joan Marie Chapman, 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 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · 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).
25 internal medicine physician records list a practice address in Palmdale
They are 25 of the 2,077 NPPES records with a practice address in Palmdale, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Palmdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arsineh Artounian Savarani, DOPalmdale, CA 935511346827326
- Camellia Babaie, M.D.Palmdale, CA 935511902175441
- Wah Wah Chu, MDPalmdale, CA 935511891018719
- Pamela De Silva, MDPalmdale, CA 935511568414548
- Hamza Gohar, D.O.Palmdale, CA 935511215464037
- Sadhana Kamath, M.D.Palmdale, CA 935511316996002
- Taher KatouzianPalmdale, CA 935511902062151
- Yunha KimPalmdale, CA 935511790207579
Common questions
What is Joan Marie Chapman, D.O.'s NPI number?
Joan Marie Chapman, D.O.'s National Provider Identifier (NPI) is 1225329733, issued on May 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joan Marie Chapman, D.O. located?
The NPPES record lists a practice address at 38600 Medical Center Dr, Palmdale, CA, 93551. Phone: (661) 382-5000. Providers update this record themselves, so call before visiting.
How can I verify Joan Marie Chapman, D.O.'s license?
NPPES lists California license number 20A 12511, 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.
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.