Arnel C. Castrence, M.D.
Internal Medicine Physician · Waldorf, MD
Arnel C. Castrence, M.D. is an internal medicine physician with a practice address in Waldorf, Maryland, and NPI 1225092968, issued on Apr 12, 2006. Check the license (Maryland D53592, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Arnel C. Castrence
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D53592 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10 Saint Patricks Dr, Waldorf, MD 20603
- Phone
- (301) 373-7900
- Enumerated
- Apr 12, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (301) 373-6900
- Medicaid ID
- 903901500 MD
- Medicare enrollment
- Enrolled (PECOS I20090306000422); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 10 Saint Patricks Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwa Abdalla, MBBSNephrology Physician1851852768
- Firas Al Sammarrai, M.B.CH.B.Nephrology Physician1033529557
- Miriam Aleproti, CRNPFamily Nurse Practitioner1790160968
- Bonita BargerPhysical Therapist1619963451
- Ebonique Bennett, NPAdult Health Nurse Practitioner1972871523
- Alexis Browder, P.T.Physical Therapist1336136472
Verify Arnel C. Castrence in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D53592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average internal medicine physician in 2024
4,524 Medicare Part D claims for 397 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium305 claims
- Amlodipine Besylate232 claims
- Lisinopril167 claims
- Metformin Hcl138 claims
- Rosuvastatin Calcium131 claims
- Metoprolol Succinate126 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): 77.5 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: $131.68
5 payments; by number, the most common kind was food and beverage; the largest payer was Advanced Oxygen Therapy Inc. 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
- Medstar Medical Group - Southern Maryland LLCWaldorf, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
29 internal medicine physician records list a practice address in Waldorf
They are 29 of the 1,272 NPPES records with a practice address in Waldorf, and 3,904 internal medicine physician records in Maryland.
All 29 in Waldorf → All 3,904 in Maryland → Every provider in Waldorf →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Arnel C. Castrence, M.D.'s NPI number?
Arnel C. Castrence, M.D.'s National Provider Identifier (NPI) is 1225092968, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arnel C. Castrence, M.D. located?
The NPPES record lists a practice address at 10 Saint Patricks Dr, Waldorf, MD, 20603. Phone: (301) 373-7900. Providers update this record themselves, so call before visiting.
How can I verify Arnel C. Castrence, M.D.'s license?
NPPES lists Maryland license number D53592, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arnel C. Castrence, M.D. prescribe under Medicare Part D?
In 2024, Arnel C. Castrence, M.D. had 4,524 Medicare Part D claims for 397 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Arnel C. Castrence, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.