Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEM MEDICAL GROUP, PC
NPI 1508592361
Neurological Surgery in Denver, CO

Active since July 25, 2022
501 S CHERRY ST STE 1100, DENVER, CO 80246(800) 975-1652 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2026, Jul 25, 2022 (2 updates tracked since 2022).

About Stem Medical Group, Pc NPPES

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

STEM MEDICAL GROUP, PC (NPI 1508592361) is a healthcare organization registered as a neurological surgery in Denver, Colorado and active in the NPI registry since July 2022. The organization maintains 2 additional practice locations and lists Alexander Mason, Ceo, as its authorized official.

NPPES Registry Identity

NPI1508592361
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameSTEM MEDICAL GROUP, PC
Location Address501 S CHERRY ST STE 1100Denver, CO 80246-1323
Mailing Address501 S Cherry St Ste 1100Denver, CO 80246-1323
Organization SubpartNo
Authorized OfficialAlexander MasonCeo · (404) 227-4864
Enumeration DateJuly 25, 2022
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1508592361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
501 S CHERRY ST STE 1100, Denver, CO 80246

Secondary Practice Locations 2

Location 1520 N 4th AvePasco, WA 99301-5257 · Phone (800) 975-1652
Location 23810 Plaza WayKennewick, WA 99338-2722 · Phone (800) 975-1652

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stem Medical Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

19

Medicare enrollment records show 19 clinicians reassign Medicare billing to Stem Medical Group, PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians by Medicare Specialty 8

Internal Medicine4
Nephrology4
Critical Care (Intensivists)2
Infectious Disease2
Neurology2
Psychiatry2
Pulmonary Disease2
Sleep Medicine1

Clinicians, nearest first (19)

Nephrology
NPI 1548318330
1490 E FOREMASTER DR STE 350
St George, UT 84790
(435) 251-5980
✔ PECOS✔ Accepts Medicare501 mi
Nephrology
NPI 1558660217
ST GEROGE REGIONAL HOSPITAL 1380 E MEDICAL CENTER DR
St George, UT 84790
(435) 251-1000
✔ PECOS✔ Accepts Medicare502 mi
Psychiatry
NPI 1871906107
211 NE 54TH ST STE 201
Kansas City, MO 64118
(816) 453-6777
✔ PECOS✔ Accepts Medicare555 mi
Nephrology
NPI 1831662568
10010 ROGERS XING STE 210
San Antonio, TX 78251
(210) 549-3524
✔ PECOS✔ Accepts Medicare791 mi
Critical Care (Intensivists)
NPI 1700011004
1000 FIVEPOINT
Irvine, CA 92618
(800) 826-4673
✔ PECOS✔ Accepts Medicare824 mi
Critical Care (Intensivists)
NPI 1952500696
845 W LA VETA AVE STE 108
Orange, CA 92868
(714) 289-6552
✔ PECOS✔ Accepts Medicare825 mi
Internal Medicine
NPI 1205046182
1804 GARNET AVE #721
San Diego, CA 92109
(312) 863-9100
✔ PECOS835 mi
Infectious Disease
NPI 1790071199
1051 ESSINGTON RD STE 210
Joliet, IL 60435
(815) 726-1818
✔ PECOS✔ Accepts Medicare889 mi
Internal Medicine
NPI 1003923426
610 S MAPLE AVE STE 4050
Oak Park, IL 60304
(708) 383-0943
✔ PECOS✔ Accepts Medicare909 mi
Internal Medicine
NPI 1558506782
17000 MEDICAL CENTER DR
Baton Rouge, LA 70816
(225) 752-2470
✔ PECOS✔ Accepts Medicare1,014 mi
Psychiatry
NPI 1700998911
2540 WINDY HILL RD SE
Marietta, GA 30067
(770) 644-1570
✔ PECOS1,200 mi
Pulmonary Disease
NPI 1144480963
993 JOHNSON FERRY RD STE C300
Atlanta, GA 30342
(404) 257-0080
✔ PECOS✔ Accepts Medicare1,206 mi
Infectious Disease
NPI 1851375489
101 GREENFIELD DR STE 100
Cumming, GA 30040
(678) 845-7300
✔ PECOS✔ Accepts Medicare1,209 mi
Neurology
NPI 1972791002
2202 STATE AVE STE 201
Panama City, FL 32405
(850) 785-0029
✔ PECOS✔ Accepts Medicare1,272 mi
Nephrology
NPI 1982825428
289 DAWKINS DR
Lewisburg, WV 24901
(304) 793-0005
✔ PECOS1,324 mi
Pulmonary Disease
NPI 1770831984
40 V TWIN DR STE 205
Gettysburg, PA 17325
(717) 339-2790
✔ PECOS✔ Accepts Medicare1,467 mi
Sleep Medicine
NPI 1285981340
2113 KLOCKNER RD
Trenton, NJ 08690
(609) 710-5526
✔ PECOS✔ Accepts Medicare1,598 mi
Neurology
NPI 1922261486
1155 WARBURTON AVE APT 1U
Yonkers, NY 10701
(917) 349-1489
✔ PECOS✔ Accepts Medicare1,633 mi
Internal Medicine
NPI 1780831164
3000 CORAL HILLS DR
Coral Springs, FL 33065
(561) 299-3667
✔ PECOS✔ Accepts Medicare1,698 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Stem Medical Group, PC's NPI number?

The NPI number for Stem Medical Group, PC is 1508592361. It was assigned to this organization in the NPPES registry on July 25, 2022.

Where is Stem Medical Group, PC located?

Stem Medical Group, PC is located at 501 S Cherry St Ste 1100, Denver, CO 80246. The listed phone number is (800) 975-1652.

What is Stem Medical Group, PC's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Stem Medical Group, PC enrolled in Medicare?

Yes. Stem Medical Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Stem Medical Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 8 Medicare specialties reassign their Medicare billing to Stem Medical Group, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (4), Nephrology (4) and Critical Care (Intensivists) (2). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Stem Medical Group, PC accept?

Health plans from Anthem Blue Cross and Blue Shield and Highmark Blue Cross Blue Shield West Virginia list Stem Medical Group, PC 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 Stem Medical Group, PC was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.