John T. Geneczko, M.D.
Gastroenterology Physician · Durham, NC
John T. Geneczko, M.D. is a gastroenterology physician with a practice address in Durham, North Carolina, and NPI 1902875727, issued on Mar 15, 2006. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John T. Geneczko
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01036161A IN
Self-reported in NPPES; status is on the state search - Practice location
- 200 Trent Dr, Durham, NC 27710
- Phone
- (919) 684-1817
- Enumerated
- Mar 15, 2006
- Record last updated
- May 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (919) 681-8147
- Medicaid IDs
- 100085880 IN
GE15365010 IN - Medicare enrollment
- Enrolled (PECOS I20100525000573); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1978
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 681 in North Carolina → Look up another NPI →
Also registered at 200 Trent Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shruti Agashe, MDNeurology Physician1306376405
- Mohammed Alruwaisan, MBBSStudent in an Organized Health Care Education/Training Program1689970725
- Kaylea Betts, M.A., CCC-SLPSpeech-Language Pathologist1467794099
- Jenna Brothers, PA-CMedical Physician Assistant1407278146
- Casey Brown, AGPCNP-BCNurse Practitioner1285041053
- Martha Carraway, M.D.Pulmonary Disease Physician1174624621
Verify John T. Geneczko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
18 Medicare Part D claims for 18 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-G11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Duke Health Integrated Practice IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John T. Geneczko among 681 gastroenterology physician records in North Carolina
John T. Geneczko, M.D. is one of 681 gastroenterology physician records with a practice address in North Carolina. 83% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 47% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1978 · median 2002 among the 498 with a school on file
- Record last updated2013 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Carolina
There are 681 gastroenterology physician records in North Carolina.
All 681 in North Carolina → Every provider in Durham → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Amy Barto, M.D.Durham, NC 277101710934443
- Carla Brady, M.D.Durham, NC 277101811070055
- Malcolm Branch, MDDurham, NC 277101639252877
- Audrey BroomeDurham, NC 277101992888135
- Rebecca Burbridge, M.D.Durham, NC 277101184630972
- Judith GentileDurham, NC 277101497838650
- Elizabeth GoacherDurham, NC 277101841373008
- Angela Hutzenbuhler, MDDurham, NC 277101245216266
Common questions
What is John T. Geneczko, M.D.'s NPI number?
John T. Geneczko, M.D.'s National Provider Identifier (NPI) is 1902875727, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John T. Geneczko, M.D. located?
The NPPES record lists a practice address at 200 Trent Dr, Durham, NC, 27710. Phone: (919) 684-1817. Providers update this record themselves, so call before visiting.
How can I verify John T. Geneczko, M.D.'s license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John T. Geneczko, M.D. prescribe under Medicare Part D?
In 2024, John T. Geneczko, M.D. had 18 Medicare Part D claims for 18 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.