James B. Chapman, M.D.
Internal Medicine Physician · Plano, TX
James B. Chapman, M.D. is an internal medicine physician with a practice address in Plano, Texas, and NPI 1407969785, issued on Aug 17, 2006. Check the license (Texas G4908, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James B. Chapman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G4908 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4708 Alliance Blvd Ste 300, Plano, TX 75093
- Phone
- (972) 758-6000
- Enumerated
- Aug 17, 2006
- Record last updated
- Dec 20, 2022
- Fax
- (972) 758-6001
- Medicaid ID
- 1144388-04 TX
- Medicare enrollment
- Enrolled (PECOS I20040802001431); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 4708 Alliance Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James B. Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G4908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average internal medicine physician in 2024
5,486 Medicare Part D claims for 534 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 80 claims were for opioids.
Most prescribed
- Atorvastatin Calcium365 claims
- Losartan Potassium325 claims
- Levothyroxine Sodium310 claims
- Amlodipine Besylate282 claims
- Omeprazole236 claims
- Rosuvastatin Calcium171 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
- Healthtexas Provider NetworkProsper, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James B. Chapman among 9,175 internal medicine physician records in Texas
James B. Chapman, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1983 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
205 internal medicine physician records list a practice address in Plano
They are 205 of the 7,271 NPPES records with a practice address in Plano, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Plano → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Linda Bang, M.D.Plano, TX 750931447243688
- Odette Campbell, M.D.Plano, TX 750931114989092
- Kimberly Crawford, MDPlano, TX 750931417926783
- Marie Dinh, M.D.Plano, TX 750931477518769
- Trung Duong, M.D.Plano, TX 750931841269578
- Safoora Harandi, M.D.Plano, TX 750931134126691
- Linda Krisik, M.D.Plano, TX 750931992782338
- Darius Peikari, MDPlano, TX 750931275590077
Common questions
What is James B. Chapman, M.D.'s NPI number?
James B. Chapman, M.D.'s National Provider Identifier (NPI) is 1407969785, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James B. Chapman, M.D. located?
The NPPES record lists a practice address at 4708 Alliance Blvd Ste 300, Plano, TX, 75093. Phone: (972) 758-6000. Providers update this record themselves, so call before visiting.
How can I verify James B. Chapman, M.D.'s license?
NPPES lists Texas license number G4908, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James B. Chapman, M.D. prescribe under Medicare Part D?
In 2024, James B. Chapman, M.D. had 5,486 Medicare Part D claims for 534 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.