STEFEN M. AMMON MD
NPI 1730210733
Emergency Medicine in Littleton, CO

Active since March 08, 2007PECOS EnrolledAccepts Medicare Assignment
52.89/100
CMS Quality Rating
7700 S BROADWAY, LITTLETON ADVENTIST HOSPITAL, EMERGENCY DEPT., LITTLETON, CO 80122(303) 778-5666(303) 778-5787 Get Directions Write a Review

NPPES record last updated: May 15, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 15, 2020, Mar 25, 2020 (2 updates tracked since 2020).

About Stefen M. Ammon Md NPPES

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

STEFEN M. AMMON MD (NPI 1730210733) is an individual emergency medicine provider in Littleton, Colorado, licensed in Idaho (MC-0362) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1730210733
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSTEFEN M. AMMONCredential: MD
Location Address7700 S BROADWAY, LITTLETON ADVENTIST HOSPITAL, EMERGENCY DEPT.Littleton, CO 80122-2602
Mailing Address1241 W Mineral Ave, Suite 100Littleton, CO 80120-5685 · (303) 759-0854 · Fax (303) 759-0864
Fax(303) 778-5787
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 8, 2007
Last NPPES UpdateMay 15, 20202 updates tracked since enumeration
NPPES CertifiedMay 15, 2020
NPI 1730210733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in ID · MC-0362 Licensed in CO · 45573 Licensed in NV · 18674 Licensed in AZ · 58357 Licensed in CO · CDRH.0045573
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.
7700 S BROADWAY, Littleton, CO 80122

Secondary Practice Locations 3

Location 13455 Ringsby Ct Ste 102Denver, CO 80216-4923 · Phone (303) 500-1518 ext. 30350 · Fax (720) 598-0440
Location 21705 W University Dr Ste 104Tempe, AZ 85281-3269 · Phone (480) 493-3444 · Fax (480) 867-4464
Location 33841 W Charleston Blvd Ste 203Las Vegas, NV 89102-1858 · Phone (702) 848-4443 ext. 70284 · Fax (702) 805-0299

Other Identifiers 2

Medicaid45607753CO
OtherP00442365CO · Rr Medicare

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

Stefen M. Ammon 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 ID8729189410
PECOS Enrollment IDI20070829000953
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 18

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.

Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes 99342
A new patient home visit is a 30-minute appointment where a healthcare provider comes to your home to assess your health needs. This can include discussing your medical history, current conditions, and treatment plans. It's a convenient way to receive care in your own environment.
85 services85 patients
Red blood cell concentration measurement 85014
Red blood cell concentration measurement is a routine blood test that assesses the number of red blood cells in your blood. These cells carry oxygen throughout your body. The test can help identify conditions like anemia or dehydration. It's a simple, quick, and relatively painless procedure.
82 services79 patients
Blood test, basic group of blood chemicals (calcium, ionized) 80047
A basic group of blood chemicals test, including calcium and ionized, is a simple procedure where a small amount of blood is drawn from your arm. This test helps assess your body's overall health and detect potential disorders like kidney disease or bone disease.
80 services79 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
71 services70 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
61 services57 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
56 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80122 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

52.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality45.53
Improvement Activities40
Cost23.24

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.

Family Medicine
7700 S BROADWAY
LITTLETON, CO 80122
Physician Assistant
7700 S BROADWAY
LITTLETON, CO 80122
Orthopaedic Surgery
7700 S BROADWAY
LITTLETON, CO 80122
Internal Medicine
7700 S BROADWAY
LITTLETON, CO 80122
Registered Nurse (Obstetric, Inpatient)
7700 S BROADWAY
LITTLETON, CO 80122
Nurse Practitioner
7700 S BROADWAY, CARDIAC/TELE UNIT
LITTLETON, CO 80122
Pediatrics (Neonatal-Perinatal Medicine)
7700 S BROADWAY
LITTLETON, CO 80122
Nurse Practitioner (Acute Care)
7700 S BROADWAY
LITTLETON, CO 80122

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 Stefen Ammon's NPI number?

The NPI number for Stefen Ammon is 1730210733. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Stefen Ammon located?

Stefen Ammon practices at 7700 S Broadway Littleton Adventist Hospital, Emergency Dept., Littleton, CO 80122. The listed phone number is (303) 778-5666.

What is Stefen Ammon's specialty?

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

Is Stefen Ammon enrolled in Medicare?

Yes. Stefen Ammon 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 Stefen Ammon accept?

Health plans from Imperial Insurance Companies, Inc. list Stefen Ammon 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 Stefen Ammon was last updated on May 15, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.