DOUGLAS MARK IKELHEIMER MD
NPI 1508979519
Psychiatry & Neurology - Psychiatry in Denver, CO

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
777 BANNOCK ST, MC 7782, DENVER, CO 80204(303) 436-6000 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 14, 2025, Nov 7, 2025, Jun 3, 2025 and 4 more (7 updates tracked since 2020).

About Douglas Mark Ikelheimer Md NPPES

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

DOUGLAS MARK IKELHEIMER MD (NPI 1508979519) is an individual psychiatry provider in Denver, Colorado, licensed in Virginia (0101259575) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1997).

NPPES Registry Identity

NPI1508979519
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDOUGLAS MARK IKELHEIMERCredential: MD
Location Address777 BANNOCK ST, MC 7782Denver, CO 80204-4507
Mailing Address777 Bannock St, Mc 7782Denver, CO 80204-4507
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1997
Enumeration DateAugust 16, 2006
Last NPPES UpdateNovember 14, 20257 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
NPI 1508979519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in VA · 0101259575 Licensed in CA · C163816 Licensed in PA · MD453478 Licensed in IL · 036136893 Licensed in CO · 40353 Licensed in DE · C1-0011239 Licensed in WI · 76822
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.
Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License 036136893 (IL)
Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License MD453478 (PA), 0101259575 (VA)
777 BANNOCK ST, Denver, CO 80204

Secondary Practice Locations 6

Location 11005 Broadway StQuincy, IL 62301-2834 · Phone (217) 223-1200 · Fax (217) 224-9383
Location 2424 Savannah RdLewes, DE 19958-1462 · Phone (302) 645-3499 · Fax (302) 644-4830
Location 3205 S Front St Fl 5Harrisburg, PA 17104-1619 · Phone (717) 231-8360 · Fax (717) 231-8358
Location 48700 Beverly BlvdWest Hollywood, CA 90048-1804 · Phone (310) 423-3465 · Fax (310) 423-8397
Location 51020 First Colonial Rd Ste AVirginia Beach, VA 23454-3078 · Phone (757) 395-1850
Location 61500 Commonwealth AveWilliamsburg, VA 23185-5229 · Phone (757) 585-2250 · Fax (757) 903-2285

Other Identifiers 1

Medicaid05722730CO

Accepted Insurance

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

Douglas Mark Ikelheimer 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 ID1759347396
PECOS Enrollment IDI20181113001982, I20210119001213, I20220420002024
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

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.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 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.

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.

Clinical Nurse Specialist (Psychiatric/Mental Health)
777 BANNOCK ST
DENVER, CO 80204
Anesthesiology
777 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Hospitalist
777 BANNOCK ST
DENVER, CO 80204
Social Worker (Clinical)
777 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Physician Assistant
777 BANNOCK ST
DENVER, CO 80204
Family Medicine
777 BANNOCK ST
DENVER, CO 80204

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 Douglas Ikelheimer's NPI number?

The NPI number for Douglas Ikelheimer is 1508979519. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Douglas Ikelheimer located?

Douglas Ikelheimer practices at 777 Bannock St Mc 7782, Denver, CO 80204. The listed phone number is (303) 436-6000.

What is Douglas Ikelheimer's specialty?

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

Is Douglas Ikelheimer enrolled in Medicare?

Yes. Douglas Ikelheimer 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.

What insurance does Douglas Ikelheimer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 11 other insurers list Douglas Ikelheimer 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 Douglas Ikelheimer was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.