Carl G. Chakmakjian, D.O.
Medical Oncology Physician · Waco, TX
Carl G. Chakmakjian, D.O. is a medical oncology physician with a practice address in Waco, Texas, and NPI 1285675306, issued on Jun 9, 2006. Check the license (Texas L4879, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Carl G. Chakmakjian
- Credential
- D.O.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- L4879 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1700 W Highway 6, Waco, TX 76712
- Phone
- (254) 399-0741
- Enumerated
- Jun 9, 2006
- Record last updated
- Feb 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (254) 399-0779
- Medicare enrollment
- Enrolled (PECOS I20050624000432); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Also registered at 1700 W Highway 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Anderson, M.D.Hematology & Oncology Physician1760425706
- Carlos Encarnacion, M.D.Medical Oncology Physician1245273838
Verify Carl G. Chakmakjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average medical oncology physician in 2024
1,584 Medicare Part D claims for 272 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 185 claims were for opioids.
Most prescribed
- Letrozole172 claims
- Eliquis116 claims
- Hydrocodone-Acetaminophen78 claims
- Gabapentin71 claims
- Dexamethasone59 claims
- Hydroxyurea58 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: $24,850.94
48 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Texas Oncology PAGatesville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carl G. Chakmakjian among 547 medical oncology physician records in Texas
Carl G. Chakmakjian, D.O. is one of 547 medical oncology physician records with a practice address in Texas. 85% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2000 among the 414 with a school on file
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Texas
There are 547 medical oncology physician records in Texas.
All 547 in Texas → Every provider in Waco → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Carlos Encarnacion, M.D.Waco, TX 767121245273838
- Hitesh Singh, MDWaco, TX 767121659530624
- Rudranath Talukdar, MDWaco, TX 767121174546915
- Anant Dhavale, MDBrownwood, TX 768011467416404
- Jyothi Dodlapati, M.D.Harker Heights, TX 765481467402602
- Mohit Bansal, M.D.Temple, TX 765081427216027
- Christian Cable, M.D.Temple, TX 765081407816580
- Alan Gowan, D.O.Temple, TX 765081417917105
Common questions
What is Carl G. Chakmakjian, D.O.'s NPI number?
Carl G. Chakmakjian, D.O.'s National Provider Identifier (NPI) is 1285675306, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl G. Chakmakjian, D.O. located?
The NPPES record lists a practice address at 1700 W Highway 6, Waco, TX, 76712. Phone: (254) 399-0741. Providers update this record themselves, so call before visiting.
How can I verify Carl G. Chakmakjian, D.O.'s license?
NPPES lists Texas license number L4879, 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 Carl G. Chakmakjian, D.O. prescribe under Medicare Part D?
In 2024, Carl G. Chakmakjian, D.O. had 1,584 Medicare Part D claims for 272 beneficiaries; the average among medical oncology physician prescribers was 703. 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.