Gregory E. Kobak, MD
Pediatric Gastroenterology Physician · Aurora, CO
Gregory E. Kobak, MD is a pediatric gastroenterology physician with a practice address in Aurora, Colorado, and NPI 1851330138, issued on Jun 5, 2006. Check the license (Colorado 39946, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory E. Kobak
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 39946 CO
0101234399 VA
Self-reported in NPPES; status is on the state search - Practice location
- 13123 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 777-1234
- Enumerated
- Jun 5, 2006
- Record last updated
- Dec 28, 2022
- Fax
- (720) 777-7277
- Medicaid IDs
- 005066100 MD
60878576 CO
1008601120001 PA
006739121 VA - Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 48 in Colorado → Look up another NPI →
Also registered at 13123 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hemn Abdulrahim, MDNeurological Surgery Physician1871147769
Verify Gregory E. Kobak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Gregory E. Kobak among 48 pediatric gastroenterology physician records in Colorado
Gregory E. Kobak, MD is one of 48 pediatric gastroenterology physician records with a practice address in Colorado. 60% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 58% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 17% of these records are
- Record last updated2022 · 73% 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 Colorado 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 Colorado
There are 48 pediatric gastroenterology physician records in Colorado.
All 48 in Colorado → Every provider in Aurora → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- David Brumbaugh, MDAurora, CO 800451619063807
- Glenn Furuta, MDAurora, CO 800451194734962
- Edward Hoffenberg, MDAurora, CO 800451619052347
- Robert Kramer, MDAurora, CO 800451003844143
- Edwin Liu, MDAurora, CO 800451427133164
- Michael Narkewicz, MDAurora, CO 800451477638104
- Deborah Neigut, MDAurora, CO 800451699786004
- Jerry Rosenblum, M.D.Aurora, CO 800451265548911
Common questions
What is Gregory E. Kobak, MD's NPI number?
Gregory E. Kobak, MD's National Provider Identifier (NPI) is 1851330138, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Kobak, MD located?
The NPPES record lists a practice address at 13123 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 777-1234. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Kobak, MD's license?
NPPES lists Colorado license number 39946, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Gregory E. Kobak, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.