NPPES file of Aug 9, 2026

Jon Thomas Heald, DO

Hematology & Oncology Physician · Bethesda, MD

Jon Thomas Heald, DO is a hematology & oncology physician with a practice address in Bethesda, Maryland, and NPI 1639735822, issued on May 14, 2019. 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
1639735822
Name
Jon Thomas Heald
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
2020041194 MO
Self-reported in NPPES; status is on the state search
Practice location
4954 N Palmer RD Bldg 19, Bethesda, MD 20889
Phone
(301) 319-2100
Enumerated
May 14, 2019
Record last updated
Aug 22, 2025
Fax
(301) 319-2119
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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Also registered at 4954 N Palmer RD Bldg 19

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

  1. Michael Bernhardt, MDPediatric Hematology & Oncology Physician1922530229
  2. Merri Beth Cully, PA-CSurgical Physician Assistant1124090444
  3. Juvianee Estrada-Veras, M.D.Pediatrics Physician1033425004
  4. Mark Farinas, M.S., OTRPediatric Occupational Therapist1912049008
  5. Christopher Forster, M.D.Rheumatology Physician1275732943
  6. Venkatesh Handratta, M.D.Psychiatry Physician1427241926

Verify Jon Thomas Heald 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: $164.71

6 payments; by number, the most common kind was food and beverage; the largest payer was Karyopharm Therapeutics Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Heald$164.71
  2. Specialty average$7,481.41

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

Hematology & Oncology Physician providers in Maryland

There are 317 hematology & oncology physician records in Maryland.

Other hematology & oncology physician records in Maryland

  1. Kenneth Abbott, M.D.Prince Frederick, MD1306976949
  2. Courtney Ackerman, M.D.Silver Spring, MD1790919744
  3. Michael Adashek, D.O.Towson, MD1972037661
  4. Manish Agrawal, M.D.Rockville, MD1275614984
  5. Bilal Ahmed, MDPrince Frederick, MD1093984411
  6. Saira Ahmed, MDBaltimore, MD1932393766
  7. Margaret Akpan, MDCheverly, MD1669458931
  8. Ahmad Al-Homsi, MDBaltimore, MD1104808047
  9. Kashif Ali, M.D.Silver Spring, MD1851423388
  10. Zakari Aliyu, MDBaltimore, MD1679539464

Common questions

What is Jon Thomas Heald, DO's NPI number?

Jon Thomas Heald, DO's National Provider Identifier (NPI) is 1639735822, issued on May 14, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jon Thomas Heald, DO located?

The NPPES record lists a practice address at 4954 N Palmer RD Bldg 19, Bethesda, MD, 20889. Phone: (301) 319-2100. Providers update this record themselves, so call before visiting.

How can I verify Jon Thomas Heald, DO'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.