NPPES file of Aug 9, 2026

John H. Powers, M.D.

Infectious Disease Physician · Olney, MD

John H. Powers, M.D. is an infectious disease physician with a practice address in Olney, Maryland, and NPI 1952540148, issued on Feb 11, 2009. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952540148
Name
John H. Powers
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
010148364 VA
C1-0004605 DE
MD042001L PA
Self-reported in NPPES; status is on the state search
Practice location
18511 Fiddleleaf Ter, Olney, MD 20832
Phone
(301) 570-2333
Enumerated
Feb 11, 2009
Record last updated
Feb 11, 2009 (not updated in 17 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John H. Powers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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Industry payments in 2024: $28.13

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Powers$28.13
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John H. Powers among 410 infectious disease physician records in Maryland

John H. Powers, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.

  • NPI issued2009 · 63% of these records are older, 31% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2009 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Maryland

There are 410 infectious disease physician records in Maryland.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Mark AbbruzzeseBethesda, MD 208171154310035
  2. Peter Coakley, MB BCH BAO BA MRCPIBethesda, MD 208171275763575
  3. Trevor Crowell, M.D.Bethesda, MD 208171225291743
  4. William Davis, MDBethesda, MD 208171073502951
  5. Judith Falloon, MDBethesda, MD 208171851312011
  6. Charu Mullick, M.D.Bethesda, MD 208171508002429
  7. Grace Chen, M.D., MPHBethesda, MD 208161902910458
  8. Michael Johnson, MDChevy Chase, MD 208151700385812

Common questions

What is John H. Powers, M.D.'s NPI number?

John H. Powers, M.D.'s National Provider Identifier (NPI) is 1952540148, issued on Feb 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is John H. Powers, M.D. located?

The NPPES record lists a practice address at 18511 Fiddleleaf Ter, Olney, MD, 20832. Phone: (301) 570-2333. Providers update this record themselves, so call before visiting.

How can I verify John H. Powers, M.D.'s license?

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.

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.