Nathan Tobias Kolasinski, M.D.
Pediatric Gastroenterology Physician · Bethesda, MD
Nathan Tobias Kolasinski, M.D. is a pediatric gastroenterology physician with a practice address in Bethesda, Maryland, and NPI 1114318078, issued on Feb 13, 2015. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nathan Tobias Kolasinski
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 35.129165 OH
Self-reported in NPPES; status is on the state search - Practice location
- 8901 Rockville Pike, Bethesda, MD 20889
- Phone
- (301) 295-4959
- Enumerated
- Feb 13, 2015
- Record last updated
- Feb 2, 2024
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 34 in Maryland → Look up another NPI →
Also registered at 8901 Rockville Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Tobias Kolasinski 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
Nathan Tobias Kolasinski among 34 pediatric gastroenterology physician records in Maryland
Nathan Tobias Kolasinski, M.D. is one of 34 pediatric gastroenterology physician records with a practice address in Maryland. 53% 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 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 12% newer
- In a Medicare fileNo · 53% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Maryland
There are 34 pediatric gastroenterology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 34 in Maryland → Every provider in Bethesda → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Nathalia Albarracin, MDBethesda, MD 208891942706528
- Laura Hammon, M.D.Bethesda, MD 208891639515612
- Bumjin Min, MDBethesda, MD 208891790853208
- Matthew Royall, M.D.Bethesda, MD 208891194046425
- Carolyn Sullivan Burklow, M.D.Bethesda, MD 208891093770356
- Charles Kessler, MDGaithersburg, MD 208771962534206
- Boram Ji, M.D.Glen Burnie, MD 210611497132930
- Priya Venkataraman Rao, MDGlen Burnie, MD 210611639332778
Common questions
What is Nathan Tobias Kolasinski, M.D.'s NPI number?
Nathan Tobias Kolasinski, M.D.'s National Provider Identifier (NPI) is 1114318078, issued on Feb 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Tobias Kolasinski, M.D. located?
The NPPES record lists a practice address at 8901 Rockville Pike, Bethesda, MD, 20889. Phone: (301) 295-4959. Providers update this record themselves, so call before visiting.
How can I verify Nathan Tobias Kolasinski, 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.