Romeo Ang Mandanas, M.D.
Hematology & Oncology Physician · Oklahoma City, OK
Romeo Ang Mandanas, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1114974466, issued on May 30, 2006. Check the license (Oklahoma 18541, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Romeo Ang Mandanas
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 18541 OK
Self-reported in NPPES; status is on the state search - Practice location
- 5915 W. Memorial Road, Oklahoma City, OK 73142
- Phone
- (405) 773-6400
- Enumerated
- May 30, 2006
- Record last updated
- Jun 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (405) 621-5441
- Medicare enrollment
- Enrolled (PECOS I20060127000127); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 128 in Oklahoma → Look up another NPI →
Verify Romeo Ang Mandanas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 18541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,529 Medicare Part D claims for 195 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 175 claims were for opioids.
Most prescribed
- Dexamethasone82 claims
- Acyclovir72 claims
- Eliquis64 claims
- Oxycodone Hcl55 claims
- Prednisone54 claims
- Hydrocodone-Acetaminophen47 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): 77.7 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: $4,740.63
20 payments; by number, the most common kind was long term medical supply or device loan; the largest payer was Incyte Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Integris Ambulatory Care CorporationOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Romeo Ang Mandanas among 128 hematology & oncology physician records in Oklahoma
Romeo Ang Mandanas, M.D. is one of 128 hematology & oncology physician records with a practice address in Oklahoma. 90% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1983 · median 2004 among the 97 with a school on file
- Record last updated2017 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Oklahoma
There are 128 hematology & oncology physician records in Oklahoma.
All 128 in Oklahoma → Every provider in Oklahoma City → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Janae Clapp, M.D.Oklahoma City, OK 731421932151560
- Brian Geister, M.D.Oklahoma City, OK 731421568400471
- Johnny McMinn, M.D.Oklahoma City, OK 731421124069364
- Agnel Raparthi, M.D.,Oklahoma City, OK 731421235397654
- Lara Theobald, MDOklahoma City, OK 731421376690271
- Irim Yasin, M.D.Oklahoma City, OK 731421699921734
- Jess Armor, M.D.Oklahoma City, OK 731341922059666
- Abby Bova, MDOklahoma City, OK 731201013058452
Common questions
What is Romeo Ang Mandanas, M.D.'s NPI number?
Romeo Ang Mandanas, M.D.'s National Provider Identifier (NPI) is 1114974466, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Romeo Ang Mandanas, M.D. located?
The NPPES record lists a practice address at 5915 W. Memorial Road, Oklahoma City, OK, 73142. Phone: (405) 773-6400. Providers update this record themselves, so call before visiting.
How can I verify Romeo Ang Mandanas, M.D.'s license?
NPPES lists Oklahoma license number 18541, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Romeo Ang Mandanas, M.D. prescribe under Medicare Part D?
In 2024, Romeo Ang Mandanas, M.D. had 1,529 Medicare Part D claims for 195 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Romeo Ang Mandanas, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.7 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.