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DR. GREGORY L KIRK M.D.
NPI 1346377348
Psychiatry & Neurology - Psychiatry in Denver, CO

Active since February 27, 2007Opted out of Medicare · through Jan 1, 2028
2036 EAST 17TH AVENUE, DENVER, CO 80206(720) 334-8328(866) 897-9458 Get Directions Write a Review

NPPES record last updated: January 11, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gregory L Kirk M.d. NPPES

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

DR. GREGORY L KIRK M.D. (NPI 1346377348) is an individual psychiatry provider in Denver, Colorado, licensed in Colorado (36227) and active in the NPI registry since February 2007. He has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1346377348
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GREGORY L KIRKCredential: M.D.
Location Address2036 EAST 17TH AVENUEDenver, CO 80206-1106
Mailing Address2036 East 17th AvenueDenver, CO 80206-1106 · (720) 334-8328 · Fax (866) 897-9458
Phone(720) 334-8328
Fax(866) 897-9458
Sole ProprietorNo
Enumeration DateFebruary 27, 2007
Last NPPES UpdateJanuary 11, 2011
✔ NPI 1346377348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CO · 36227
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2036 EAST 17TH AVENUE, Denver, CO 80206
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Other Identifiers 4

Medicare PINCOA100791CO
Medicaid07474865CO
Medicare UPING60631CO
Medicare PINC503168CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Gregory L Kirk M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2016 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2016
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80206 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
$174.82 typical visit price
range $58.06 – $174.82
Typical copayment $43.70 (range $14.51 – $43.70)
Most-billed visit code 99205
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Kirk's NPI number?

The NPI number for Gregory Kirk is 1346377348. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is Gregory Kirk located?

Gregory Kirk practices at 2036 East 17th Avenue, Denver, CO 80206. The listed phone number is (720) 334-8328.

What is Gregory Kirk's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gregory Kirk enrolled in Medicare?

No. Gregory Kirk has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Gregory Kirk was last updated on January 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.