CLARK C KULIG MD
NPI 1669423430
Internal Medicine - Gastroenterology in Denver, CO

Active since May 15, 2006PECOS EnrolledAccepts Medicare Assignment
58.5/100
CMS Quality Rating
2535 S DOWNING ST STE 380, DENVER, CO 80210(303) 778-5797(303) 778-5205 Get Directions Write a Review

NPPES record last updated: February 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 5, 2025, Jun 22, 2016 (2 updates tracked since 2016).

About Clark C Kulig Md NPPES

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

CLARK C KULIG MD (NPI 1669423430) is an individual gastroenterology provider in Denver, Colorado, licensed in Colorado (DR.39951) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of University Of Wisconsin School Of Medicine (1998).

NPPES Registry Identity

NPI1669423430
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameCLARK C KULIGCredential: MD
Location Address2535 S DOWNING ST STE 380Denver, CO 80210-5850
Mailing Address2535 S Downing St Ste 380Denver, CO 80210-5850 · (303) 778-5797 · Fax (303) 778-5205
Fax(303) 778-5205
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1998
Enumeration DateMay 15, 2006
Last NPPES UpdateFebruary 5, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2025
NPI 1669423430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CO · DR.39951
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2535 S DOWNING ST STE 380, Denver, CO 80210

Secondary Practice Location 1

Location 11719 E 19th Ave # 5050Denver, CO 80218-1235 · Phone (720) 754-2155 · Fax (303) 830-1135

Other Identifiers 1

Medicaid99350777CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Clark C Kulig Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294748505
PECOS Enrollment IDI20060802000468
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
38 services31 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
37 services31 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
25 services25 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80210 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.

58.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality47.77
Improvement Activities40
Cost57.42

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Everolimus, oral, 0.25 mg J7527
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers18 claims2,758 services$4.28 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers15 claims15 services$19.04 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

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

Transplant Surgery
2535 S DOWNING ST STE 380
DENVER, CO 80210
Internal Medicine (Transplant Hepatology)
2535 S DOWNING ST STE 380
DENVER, CO 80210
Nurse Practitioner (Acute Care)
2535 S DOWNING ST STE 380
DENVER, CO 80210
Transplant Surgery
2535 S DOWNING ST STE 380
DENVER, CO 80210
Nurse Practitioner (Adult Health)
2535 S DOWNING ST STE 380
DENVER, CO 80210
Nurse Practitioner (Adult Health)
2535 S DOWNING ST STE 380
DENVER, CO 80210
Transplant Surgery
2535 S DOWNING ST STE 380
DENVER, CO 80210
Internal Medicine (Cardiovascular Disease)
2535 S DOWNING ST STE 380
DENVER, CO 80210

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 Clark Kulig's NPI number?

The NPI number for Clark Kulig is 1669423430. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Clark Kulig located?

Clark Kulig practices at 2535 S Downing St Ste 380, Denver, CO 80210. The listed phone number is (303) 778-5797.

What is Clark Kulig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Clark Kulig enrolled in Medicare?

Yes. Clark Kulig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Clark Kulig was last updated on February 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.