DR. HEATHER HAMMERSTEDT M.D.
NPI 1275621104
Emergency Medicine in Boise, ID

Q: What is Heather Hammerstedt's NPI number?

The NPI number for Heather Hammerstedt is 1275621104. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Q: What is Heather Hammerstedt's specialty?

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

Active since October 10, 2006PECOS EnrolledAccepts Medicare Assignment

6051 W EMERALD ST, BOISE, ID 83704(208) 302-5150 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2026, Nov 11, 2025 (2 updates tracked since 2025).

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About Dr. Heather Hammerstedt M.d. NPPES

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

DR. HEATHER HAMMERSTEDT M.D. (NPI 1275621104) is an individual emergency medicine provider in Boise, Idaho, licensed in Idaho (M10228) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1275621104

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. HEATHER HAMMERSTEDTCredential: M.D.

Location Address6051 W EMERALD STBoise, ID 83704-8969

Mailing AddressPo Box 190930Boise, ID 83719-0930 · (208) 367-5170

Phone(208) 302-5150

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 2004

Enumeration DateOctober 10, 2006

Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration

NPPES CertifiedMarch 10, 2026

✔ NPI 1275621104 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 · M10228✔ Licensed in WA · MD70010802✔ Licensed in MA · 227542✔ Licensed in OR · MD177945

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.

6051 W EMERALD ST, Boise, ID 83704

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Secondary Practice Locations 2

Location 14205 Kitsap WayBremerton, WA 98312-2447 · Phone (360) 782-7780 · Fax (360) 782-7789

Location 21000 State StMcCall, ID 83638-3704 · Phone (208) 634-2221 · Fax (208) 634-7112

Other Identifiers 1

Medicaid808036000ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.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. Heather Hammerstedt M.d. 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 ID5496855405

PECOS Enrollment IDI20081008000770, I20160712002585, I20250905002913

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.

138 services130 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.

107 services99 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.

59 services54 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.

35 services35 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Alphonsus Regional Medical Center

Acute Care Hospitals · Boise, ID

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number130007

Location1055 North Curtis RoadBoise, ID 83706 · Ada County

Emergency services Birthing friendly

Saint Alphonsus Medical Center - Nampa

Acute Care Hospitals · Nampa, ID

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number130013

Location4300 E Flamingo AveNampa, ID 83687 · Canyon County

Emergency services Birthing friendly

Saint Alphonsus Medical Center - Ontario

Acute Care Hospitals · Ontario, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380052

Location351 SW 9th StreetOntario, OR 97914 · Malheur County

Emergency services

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500030

Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County

Emergency services Birthing friendly

Harrison Medical Center

Acute Care Hospitals · Bremerton, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500039

Location2520 Cherry AvenueBremerton, WA 98310 · Kitsap County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83704 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

$81.13 typical visit price

range $52.44 – $160.17

Typical copayment $20.28 (range $13.11 – $40.04)

Most-billed visit code 99203

Established Patient

$93.26 typical visit price

range $16.68 – $130.93

Typical copayment $23.31 (range $4.17 – $32.73)

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.

BETHANY KENDALL MAZE FNP

Nurse Practitioner (Family)