John Thomas Carr, M.D.
Addiction Psychiatry Physician · Silver Spring, MD
John Thomas Carr, M.D. is an addiction psychiatry physician with a practice address in Silver Spring, Maryland, and NPI 1992956601, issued on Oct 1, 2008. Check the license (Maryland D45444, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Thomas Carr
- Credential
- M.D.
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- License numbers
- D45444 MD
MD 036634 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1003 Spring St, Silver Spring, MD 20910
- Phone
- (301) 589-0255
- Enumerated
- Oct 1, 2008
- Record last updated
- Oct 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 589-0291
- Medicare enrollment
- Enrolled (PECOS I20081224000257); may accept Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 24 in Maryland → Look up another NPI →
Also registered at 1003 Spring St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helen McKibbenMental Health Counselor1467678243
- Kevin Neil, LPC, MAC, CRCCounselor1770559486
- Yvonne Stewart, PA-CPhysician Assistant1952512204
Verify John Thomas Carr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D45444Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average addiction psychiatry physician in 2024
955 Medicare Part D claims for 64 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Alprazolam90 claims
- Clonazepam72 claims
- Gabapentin59 claims
- Dextroamphetamine-Amphetamine47 claims
- Escitalopram Oxalate47 claims
- Lorazepam43 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.
John Thomas Carr among 24 addiction psychiatry physician records in Maryland
John Thomas Carr, M.D. is one of 24 addiction psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 29% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Record last updated2008 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in Maryland
There are 24 addiction psychiatry physician records in Maryland.
All 24 in Maryland → Every provider in Silver Spring → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- Fenote Abraham, M.D.Bethesda, MD 208891073660916
- Aaron Wolfgang, MDBethesda, MD 208891568996122
- Linda Fuller, D.O.Rockville, MD 208511225281546
- Rodney Burbach, M.D.Chevy Chase, MD 208151588721625
- David McDuff, M.D.Ellicott City, MD 210431902002124
- Bikash Sharma, M.D.Ellicott City, MD 210431841454964
- Jerome Jaffe, M.D.Columbia, MD 210441457690448
- Surbhi Khanna, M.B.B.SColumbia, MD 210461124361662
Common questions
What is John Thomas Carr, M.D.'s NPI number?
John Thomas Carr, M.D.'s National Provider Identifier (NPI) is 1992956601, issued on Oct 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Carr, M.D. located?
The NPPES record lists a practice address at 1003 Spring St, Silver Spring, MD, 20910. Phone: (301) 589-0255. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Carr, M.D.'s license?
NPPES lists Maryland license number D45444, 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 Thomas Carr, M.D. prescribe under Medicare Part D?
In 2024, John Thomas Carr, M.D. had 955 Medicare Part D claims for 64 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.