STEPHEN C. ALTMIN MD – NPI #1609849991
Emergency Medicine

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.

STEPHEN ALTMIN is a physician located in FORT DEFIANCE, AZ. NPPES has assigned the NPI number 1609849991 to STEPHEN ALTMIN on February 08, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207P00000X from the Health Care Provider Taxonomy code set, which is classified as Emergency Medicine.

The NPI profile was last updated on Jan 13, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for STEPHEN ALTMIN below.

NPI Profile for
STEPHEN C. ALTMIN

NPI Number
1609849991
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
STEPHEN C. ALTMIN
Credentials
MD
Primary location
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Phone: (928) 729-8000 Fax:
1 Other location(s):
11600 W 2nd Pl
Lakewood, CO 80228-1527
Phone: (720) 321-4161
Fax: (720) 321-4165
Mailing address
PO BOX 649
FORT DEFIANCE, AZ 86504-0649
Phone: (928) 729-8000 Fax:
Sole Proprietor
No
Updated
Certification Date
Jan 13, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for STEPHEN ALTMIN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

See identifiers
DescriptionIssuerStateIdentifier
otherPACIFICARE SECURE HORIZONS20326023101
otherRR MEDICARECOP00334740
medicaidAZ128190
medicaidCO76275329
medicaidKS200389960A
medicaidNEPENDING
medicaidUTZ3293
medicaidWY122680100
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207P00000X
- Emergency Medicine (Primary)
CO 39829

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
VANDERBILT UNIVERSITY SCHOOL OF MEDICINE - Graduated 1999
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
STEPHEN ALTMIN is affiliated with the following medical group(s):
  • HOSPITAL
    • CENTURA HEALTH-AVISTA ADVENTIST HOSPITAL
      100 HEALTH PARK DR
      LOUISVILLE, CO 80027
    • CENTURA HEALTH-ST ANTHONY HOSPITAL
      11600 W 2ND PL
      LAKEWOOD, CO 80228
    • CENTURA HEALTH-ST ANTHONY NORTH HEALTH CAMPUS
      14300 ORCHARD PKWY
      WESTMINSTER, CO 80023
    • ST ANTHONY SUMMIT MEDICAL CENTER
      340 PEAK ONE DR
      FRISCO, CO 80443
    • ST CATHERINE HOSPITAL
      401 EAST SPRUCE
      GARDEN CITY, KS 67846

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If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

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