NPPES file of Aug 9, 2026

John Hanna

Anesthesiology Physician · Rockville, MD

John Hanna is an anesthesiology physician with a practice address in Rockville, Maryland, and NPI 1508804873, issued on Jun 2, 2006. Check the license (Maryland D34338, as entered in NPPES) 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
1508804873
Name
John Hanna
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
D34338 MD
Self-reported in NPPES; status is on the state search
Practice location
14820 Physicians LN, Rockville, MD 20850
Phone
(301) 838-9606
Enumerated
Jun 2, 2006
Record last updated
Jul 13, 2026
Medicaid ID
284871601 MD
Medicare enrollment
Enrolled (PECOS I20040609000941); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14820 Physicians LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Austin, CRNACertified Registered Nurse Anesthetist1992745822
  2. Marc Beck, M.D.Anesthesiology Physician1912908526
  3. Susan Betz, CRNACertified Registered Nurse Anesthetist1568463602
  4. Jeffrey Briggs, M.D.Anesthesiology Physician1801841747
  5. Shiaw-Wei Chang, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1821009168
  6. Satyam Chary, M.D.Anesthesiology Physician1629024732

Verify John Hanna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D34338
    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $15.77

1 payment: food and beverage; the largest payer was Haemonetics Corporation. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Hanna$15.77
  2. Specialty average$669.59

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

  1. Inova Cares - CommunityFairfax, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Hanna among 1,253 anesthesiology physician records in Maryland

John Hanna is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1981 · median 2005 among the 813 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 anesthesiology physician records list a practice address in Rockville

They are 81 of the 14,353 NPPES records with a practice address in Rockville, and 1,253 anesthesiology physician records in Maryland.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Marc Beck, M.D.Rockville, MD 208501912908526
  2. Jeffrey Briggs, M.D.Rockville, MD 208501801841747
  3. Melvin Coursey, M.D.Rockville, MD 208501992750822
  4. Lauren Deloach, M.D.Rockville, MD 208501104870039
  5. Danielle Dugan, D.ORockville, MD 208501194779116
  6. Stephanie Eiswert, M.D.Rockville, MD 208501700831674
  7. Roger Grayson, M.D.Rockville, MD 208501396746038
  8. Keith Hairston, M.D.Rockville, MD 208501164423968

Common questions

What is John Hanna's NPI number?

John Hanna's National Provider Identifier (NPI) is 1508804873, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Hanna located?

The NPPES record lists a practice address at 14820 Physicians LN, Rockville, MD, 20850. Phone: (301) 838-9606. Providers update this record themselves, so call before visiting.

How can I verify John Hanna's license?

NPPES lists Maryland license number D34338, 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.

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.