Arjun R. Makam, D.O.
Internal Medicine Physician · Anaheim, CA
Arjun R. Makam, D.O. is an internal medicine physician with a practice address in Anaheim, California, and NPI 1669732749, issued on May 22, 2012. Check the license (California 20A13187, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arjun R. Makam
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A13187 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1120 W LA Palma Ave Ste 14, Anaheim, CA 92801
- Phone
- (714) 774-9747
- Enumerated
- May 22, 2012
- Record last updated
- Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210119001852); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Arjun R. Makam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,862 Medicare Part D claims for 245 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium229 claims
- Amlodipine Besylate115 claims
- Metformin Hcl87 claims
- Losartan Potassium74 claims
- Ezetimibe68 claims
- Mounjaro62 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: $1,986.78
87 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Makam Medical CorporationAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arjun R. Makam among 17,696 internal medicine physician records in California
Arjun R. Makam, 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 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
189 internal medicine physician records list a practice address in Anaheim
They are 189 of the 9,018 NPPES records with a practice address in Anaheim, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Anaheim → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amirtha Ajit, MDAnaheim, CA 928011881688422
- Jagminder Bhalla, M.D.Anaheim, CA 928011003879743
- Srikrishna Chundru, MDAnaheim, CA 928011932162815
- Kenneth Han, D.O.Anaheim, CA 928011811960982
- Hooshang Javaheri, MDAnaheim, CA 928011063419448
- Edwin Mattson, MDAnaheim, CA 928011770580920
- Min Min Mya, M.D.Anaheim, CA 928011154369148
- Parvin Nazari, MDAnaheim, CA 928011437148632
Common questions
What is Arjun R. Makam, D.O.'s NPI number?
Arjun R. Makam, D.O.'s National Provider Identifier (NPI) is 1669732749, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Arjun R. Makam, D.O. located?
The NPPES record lists a practice address at 1120 W LA Palma Ave Ste 14, Anaheim, CA, 92801. Phone: (714) 774-9747. Providers update this record themselves, so call before visiting.
How can I verify Arjun R. Makam, D.O.'s license?
NPPES lists California license number 20A13187, 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 Arjun R. Makam, D.O. prescribe under Medicare Part D?
In 2024, Arjun R. Makam, D.O. had 1,862 Medicare Part D claims for 245 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.