Stephen J. Chanock, M.D.
Pediatrics Physician · Potomac, MD
Stephen J. Chanock, M.D. is a pediatrics physician with a practice address in Potomac, Maryland, and NPI 1013038256, issued on Apr 3, 2007. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephen J. Chanock
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 56661 MA
Self-reported in NPPES; status is on the state search - Practice location
- 11011 Glen RD, Potomac, MD 20854
- Phone
- (301) 299-3075
- Enumerated
- Apr 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
Verify Stephen J. Chanock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stephen J. Chanock among 1,842 pediatrics physician records in Maryland
Stephen J. Chanock, M.D. is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileNo · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 pediatrics physician records list a practice address in Potomac
They are 15 of the 497 NPPES records with a practice address in Potomac, and 1,842 pediatrics physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,842 in Maryland → Every provider in Potomac → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Carol Cutts, MDPotomac, MD 208541104145168
- Carl Gatto, M.D.Potomac, MD 208541083611248
- Stephanie Hart, MDRockville, MD 208541578630828
- George Korengold, M.D.Potomac, MD 208541275530438
- Hilary Light-Deutsch, M.D.Potomac, MD 208541710984976
- Vanessa Mayol, M.D.Potomac, MD 208541801893060
- Bindi Nikhar, M.D.Potomac, MD 208541790858843
- Ellen Rigterink, M.D.Silver Spring, MD 208541871695031
Common questions
What is Stephen J. Chanock, M.D.'s NPI number?
Stephen J. Chanock, M.D.'s National Provider Identifier (NPI) is 1013038256, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Chanock, M.D. located?
The NPPES record lists a practice address at 11011 Glen RD, Potomac, MD, 20854. Phone: (301) 299-3075. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Chanock, 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. 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.