Dipak Balaji Ramkumar, M.D.
Surgical Oncology Physician · Phoenix, AZ
Dipak Balaji Ramkumar, M.D. is a surgical oncology physician with a practice address in Phoenix, Arizona, and NPI 1639412976, issued on Apr 5, 2013. Check the license (Arizona 74223, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dipak Balaji Ramkumar
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- 74223 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Thomas RD Ste 800, Phoenix, AZ 85013
- Phone
- (602) 406-1234
- Enumerated
- Apr 5, 2013
- Record last updated
- Sep 9, 2025
- Fax
- (602) 406-6368
- Medicare enrollment
- Enrolled (PECOS I20241226000598); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 33 in Arizona → Look up another NPI →
Also registered at 500 W Thomas RD Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesse Anderson, MDOrthopaedic Surgery Physician1629580436
- Jason Apfel, PA-CSurgical Physician Assistant1134591704
- Matthew Baron, M.D.Orthopaedic Trauma Physician1487074142
- Andrew Blount, MDSurgery Physician1285896977
- Jaycen Brown, MDOrthopaedic Surgery Physician1548796485
- Nicholas Cavaretta, PA-CSurgical Physician Assistant1013678259
Verify Dipak Balaji Ramkumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 74223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average surgical oncology physician in 2024
34 Medicare Part D claims for 19 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $50,181.37
113 payments; by number, the most common kind was travel and lodging; the largest payer was SpringWorks Therapeutics, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 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.
4 hospitals and group practices
- Chandler Regional Medical CenterChandler, AZ · Acute Care Hospitals4 of 5 stars
- Concord Hospital-LaconiaLaconia, NH
- Sjhmc Physician ServicesPhoenix, AZ
- Yavapai Regional Medical Center Physician Care LLCPrescott, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Dipak Balaji Ramkumar among 33 surgical oncology physician records in Arizona
Dipak Balaji Ramkumar, M.D. is one of 33 surgical oncology physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 64% of them.
- NPI issued2013 · 64% of these records are older, 24% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2013 · median 2010 among the 28 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Arizona
There are 33 surgical oncology physician records in Arizona.
All 33 in Arizona → Every provider in Phoenix → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Richard Lopchinsky, MDPhoenix, AZ 850121255433983
- Zeynep Aydi, MDPhoenix, AZ 850061487881710
- Erin McLoughlinPhoenix, AZ 850061982461760
- William Cance, MDPhoenix, AZ 850041093721730
- Jason Wiseman, MD, MSPHPhoenix, AZ 850041033404959
- David Jacofsky, M.D.Phoenix, AZ 850231922040179
- Zhi Ven Fong, MD, MPH, DRPHPhoenix, AZ 850541417219221
- Rohit Sahai, M.D.Chandler, AZ 852251184827255
Common questions
What is Dipak Balaji Ramkumar, M.D.'s NPI number?
Dipak Balaji Ramkumar, M.D.'s National Provider Identifier (NPI) is 1639412976, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Dipak Balaji Ramkumar, M.D. located?
The NPPES record lists a practice address at 500 W Thomas RD Ste 800, Phoenix, AZ, 85013. Phone: (602) 406-1234. Providers update this record themselves, so call before visiting.
How can I verify Dipak Balaji Ramkumar, M.D.'s license?
NPPES lists Arizona license number 74223, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dipak Balaji Ramkumar, M.D. prescribe under Medicare Part D?
In 2024, Dipak Balaji Ramkumar, M.D. had 34 Medicare Part D claims for 19 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Dipak Balaji Ramkumar, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.