John Patrick Collins, D.O.
Physical Medicine & Rehabilitation Physician · Clarksville, MD
John Patrick Collins, D.O. is a physical medicine & rehabilitation physician with a practice address in Clarksville, Maryland, and NPI 1821063165, issued on Feb 21, 2006. Check the license (Maryland H0044649, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Patrick Collins
- Credential
- D.O.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- H0044649 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5005 Signal Bell LN, Clarksville, MD 21029
- Phone
- (443) 535-9900
- Enumerated
- Feb 21, 2006
- Record last updated
- Feb 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (443) 535-9901
- Medicaid ID
- 043911800 MD
- Medicare enrollment
- Enrolled (PECOS I20100823000151); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1989
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 330 in Maryland → Look up another NPI →
Also registered at 5005 Signal Bell LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Freedenberg, D.D.S.General Practice Dentistry1003136086
- Aaron Twigg, M.D.Physical Medicine & Rehabilitation Physician1508831223
Verify John Patrick Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0044649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
266 Medicare Part D claims for 124 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 65 claims were for opioids.
Most prescribed
- Methylprednisolone60 claims
- Gabapentin31 claims
- Meloxicam30 claims
- Tramadol Hcl28 claims
- Prednisone19 claims
- Duloxetine Hcl13 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): 60 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).
Bills Medicare through one group practice
- Drs Collins, Brill And Twigg PCClarksville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Patrick Collins among 330 physical medicine & rehabilitation physician records in Maryland
John Patrick Collins, D.O. is one of 330 physical medicine & rehabilitation physician records with a practice address in Maryland. 57% 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, 75% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1989 · median 2007 among the 159 with a school on file
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 physical medicine & rehabilitation physician records list a practice address in Clarksville
They are 2 of the 180 NPPES records with a practice address in Clarksville, and 330 physical medicine & rehabilitation physician records in Maryland.
All 330 in Maryland → Every provider in Clarksville → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Aaron Twigg, M.D.Clarksville, MD 210291508831223
- Caprice ChaineyCockeysville, MD 210301306780523
- Adil Velija, PT, DPTHunt Valley, MD 210301497271340
- Thomas Boettger, PTEllicott City, MD 210421447246384
- Shakuntala Ratwani, M.DEllicott City, MD 210421316209729
- Nkiruka Arene, M.D.Bel Air, MD 210151477517332
- Denise Sample, P.T.A.Ellicott City, MD 210431114100625
- Mary Keszler, M.D.Columbia, MD 210441245673391
Common questions
What is John Patrick Collins, D.O.'s NPI number?
John Patrick Collins, D.O.'s National Provider Identifier (NPI) is 1821063165, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Patrick Collins, D.O. located?
The NPPES record lists a practice address at 5005 Signal Bell LN, Clarksville, MD, 21029. Phone: (443) 535-9900. Providers update this record themselves, so call before visiting.
How can I verify John Patrick Collins, D.O.'s license?
NPPES lists Maryland license number H0044649, 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 John Patrick Collins, D.O. prescribe under Medicare Part D?
In 2024, John Patrick Collins, D.O. had 266 Medicare Part D claims for 124 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is John Patrick Collins, D.O.'s MIPS final score?
The 2023 MIPS final score is 60 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.