STEPHEN C ALTMIN MD
NPI 1609849991
Emergency Medicine in Fort Defiance, AZ

Active since February 08, 2006PECOS EnrolledAccepts Medicare Assignment
CORNER OF ROUTE N12 AND N7, FORT DEFIANCE, AZ 86504(928) 729-8000 Get Directions Write a Review

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

Record update history: Jan 13, 2026, Oct 20, 2016 (2 updates tracked since 2016).

About Stephen C Altmin Md NPPES

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

STEPHEN C ALTMIN MD (NPI 1609849991) is an individual emergency medicine provider in Fort Defiance, Arizona, licensed in Colorado (39829) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Centura St. Catherine Hospital-garden City, and maintains a secondary practice location in Lakewood.

NPPES Registry Identity

NPI1609849991
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSTEPHEN C ALTMINCredential: MD
Location AddressCORNER OF ROUTE N12 AND N7Fort Defiance, AZ 86504
Mailing AddressPo Box 649Fort Defiance, AZ 86504-0649 · (928) 729-8000
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 1999
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJanuary 13, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
NPI 1609849991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CO · 39829
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
CORNER OF ROUTE N12 AND N7, Fort Defiance, AZ 86504

Secondary Practice Location 1

Location 111600 W 2nd PlLakewood, CO 80228-1527 · Phone (720) 321-4161 · Fax (720) 321-4165

Other Identifiers 8

Other20326023101Pacificare Secure Horizons
Medicaid76275329CO
OtherP00334740CO · Rr Medicare
MedicaidPENDINGNE
MedicaidZ3293UT
Medicaid200389960AKS
Medicaid122680100WY
Medicaid128190AZ

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

Stephen C Altmin 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 ID941190045
PECOS Enrollment IDI20040319000856, I20171213001137
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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
63 services61 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
47 services47 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
40 services39 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
14 services13 patients

Hospital Affiliations CMS Care Compare

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

Centura St. Catherine Hospital-Garden City

Acute Care Hospitals · Garden City, KS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170023
Location401 East SpruceGarden City, KS 67846 · Finney County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86504 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 20

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

Emergency Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Nurse Practitioner (Family)
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Dietitian, Registered
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Physical Therapist
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Family Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Family Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Pharmacist
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Family Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

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 Stephen Altmin's NPI number?

The NPI number for Stephen Altmin is 1609849991. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Stephen Altmin located?

Stephen Altmin practices at Corner Of Route N12 And N7, Fort Defiance, AZ 86504. The listed phone number is (928) 729-8000.

What is Stephen Altmin's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephen Altmin enrolled in Medicare?

Yes. Stephen Altmin 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 Stephen Altmin accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Molina Healthcare list Stephen Altmin 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 Stephen Altmin affiliated with any hospitals?

According to CMS data, Stephen Altmin is affiliated with Centura St. Catherine Hospital-Garden City.

When was this NPI record last updated?

The NPPES record for Stephen Altmin was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.