1. Home
  2. Directory
  3. Colorado
  4. Denver
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KEITH GARRISON MD
NPI 1245868637
Internal Medicine - Gastroenterology in Denver, CO

Active since March 31, 2020PECOS Enrolled
2535 S DOWNING ST STE 410, DENVER, CO 80210(303) 260-2740(303) 260-2741 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Jun 23, 2023, Apr 2, 2020 (3 updates tracked since 2020).

About Dr. Keith Garrison Md NPPES

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

DR. KEITH GARRISON MD (NPI 1245868637) is an individual gastroenterology provider in Denver, Colorado, licensed in Colorado (DR.0076997) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Gerald Champion Regional Medical Center, and is a graduate of Univeristy Of Texas Rio Grande Valley Med School (2020).

NPPES Registry Identity

NPI1245868637
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. KEITH GARRISONCredential: MD
Location Address2535 S DOWNING ST STE 410Denver, CO 80210-5851
Mailing Address2535 S Downing St Ste 410Denver, CO 80210-5851 · (303) 260-2740 · Fax (303) 260-2741
Phone(303) 260-2740
Fax(303) 260-2741
Sole ProprietorNo
Medical School CMSUniveristy Of Texas Rio Grande Valley Med SchoolGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1245868637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CO · DR.0076997
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License T7562 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2535 S DOWNING ST STE 410, Denver, CO 80210
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company.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

Dr. Keith Garrison 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 ID7214475771
PECOS Enrollment IDI20240814004520
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.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gerald Champion Regional Medical Center

Acute Care Hospitals · Alamogordo, NM
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320004
Location2669 Scenic DriveAlamogordo, NM 88310 · Otero County
Emergency services Birthing friendly

The Hospitals Of Providence - Memorial Campus

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450002
Location2001 N Oregon StEl Paso, TX 79902 · El Paso County
Emergency services Birthing friendly

University Medical Center Of El Paso

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450024
Location4815 Alameda AveEl Paso, TX 79905 · El Paso County
Emergency services Birthing friendly

Sierra Medical Center

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450668
Location1625 Medical Center DrEl Paso, TX 79902 · El Paso County
Emergency services

The Hospitals Of Providence - East Campus

Acute Care Hospitals · El Paso, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number670047
Location3280 Joe Battle BlvdEl Paso, TX 79938 · El Paso County
Emergency services Birthing friendly

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.

Other Providers at the Same Location NPPES 3

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

PORTERCARE ADVENTIST HEALTH SYSTEM
Internal Medicine (Gastroenterology)
2535 S DOWNING ST STE 410
DENVER, CO 80210
Denver County (303) 260-2740
DR. ORY NEWMAN DO
Surgery
2535 S DOWNING ST STE 410
DENVER, CO 80210
Denver County (303) 260-2740
PRANEETH KUDARAVALLI MD
Internal Medicine (Gastroenterology)
2535 S DOWNING ST STE 410
DENVER, CO 80210
Denver County (303) 260-2740

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 Keith Garrison's NPI number?

The NPI number for Keith Garrison is 1245868637. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Keith Garrison located?

Keith Garrison practices at 2535 S Downing St Ste 410, Denver, CO 80210. The listed phone number is (303) 260-2740.

What is Keith Garrison's specialty?

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

Is Keith Garrison enrolled in Medicare?

Yes. Keith Garrison 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 Keith Garrison accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare and Oscar Insurance Company list Keith Garrison 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.

Is Keith Garrison affiliated with any hospitals?

According to CMS data, Keith Garrison is affiliated with Gerald Champion Regional Medical Center, The Hospitals Of Providence - Memorial Campus, University Medical Center Of El Paso, Sierra Medical Center and The Hospitals Of Providence - East Campus.

When was this NPI record last updated?

The NPPES record for Keith Garrison was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.