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GREGORY E. KOBAK MD
NPI 1851330138
Pediatrics - Pediatric Gastroenterology in Aurora, CO

Active since June 05, 2006PECOS Enrolled
97.58/100
CMS Quality Rating
13123 E 16TH AVE, AURORA, CO 80045(720) 777-1234(720) 777-7277 Get Directions Write a Review

NPPES record last updated: December 28, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 28, 2022, Jul 28, 2022 (2 updates tracked since 2022).

About Gregory E. Kobak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY E. KOBAK MD (NPI 1851330138) is an individual pediatric gastroenterology provider in Aurora, Colorado, licensed in Colorado (39946) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851330138
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameGREGORY E. KOBAKCredential: MD
Location Address13123 E 16TH AVEAurora, CO 80045-7106
Mailing AddressPo Box 110429Aurora, CO 80042-0429 · (303) 493-7000 · Fax (720) 777-7277
Phone(720) 777-1234
Fax(720) 777-7277
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateDecember 28, 20222 updates tracked since enumeration
NPPES CertifiedDecember 28, 2022
✔ NPI 1851330138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
Licenses✔ Licensed in CO · 39946✔ Licensed in VA · 0101234399
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 0101234399 (VA)
13123 E 16TH AVE, Aurora, CO 80045
Open in Google Maps ↗

Other Identifiers 5

Medicaid005066100MD
Medicaid60878576CO
Medicaid1008601120001PA
Medicaid006739121VA
Medicaid89066C3NC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory E. Kobak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIN TERAVEST PA
Physician Assistant (Surgical)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MELISSA KAY FRAZER AA-C
Anesthesiologist Assistant
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
RACHEL MARIE RANWEILER
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. KATHRYN LYN PEGAN AU.D.
Audiologist
13123 E 16TH AVE, 2ND FLOOR OUTPATIENT PAVILION - AUDIOLOGY
AURORA, CO 80045
Adams County (720) 777-1961
MRS. KRISTEN L HOLDER FNP-C, APRN-BC
Nurse Practitioner (Psychiatric/Mental Health)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. JILL M MARKS RN, APN
Nurse Practitioner (Pediatrics)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. WENDELYN M BARRETT NNP
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. TIMOTHY OWEN VANDERKOOY MD
Emergency Medicine (Pediatric Emergency Medicine)
13123 E 16TH AVE, AURORA, CO 80045-7106
AURORA, CO 80045
Adams County (720) 777-1234

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Kobak's NPI number?

The NPI number for Gregory Kobak is 1851330138. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Gregory Kobak located?

Gregory Kobak practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.

What is Gregory Kobak's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Gregory Kobak enrolled in Medicare?

Yes. Gregory Kobak is registered in the Medicare PECOS enrollment system.

What insurance does Gregory Kobak accept?

Health plans from Medica and UnitedHealthcare list Gregory Kobak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Kobak was last updated on December 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.