1. Home
  2. Directory
  3. Montana
  4. Helena
  5. Allergy Immunology
  6. NPI Profile

ERIN KATHLEEN HAM MD
NPI 1154642817
Allergy & Immunology - Allergy in Helena, MT

Active since June 17, 2010PECOS Enrolled
2550 E BROADWAY ST, HELENA, MT 59601(406) 457-4180 Get Directions Write a Review

NPPES record last updated: June 21, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 21, 2016, Feb 22, 2016 (2 updates tracked since 2016).

About Erin Kathleen Ham Md NPPES

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

ERIN KATHLEEN HAM MD (NPI 1154642817) is an individual allergy provider in Helena, Montana, licensed in Montana (38578) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154642817
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameERIN KATHLEEN HAMCredential: MD
Location Address2550 E BROADWAY STHelena, MT 59601-4905
Mailing AddressPo Box 6369Helena, MT 59604-6369 · (406) 447-2828 · Fax (406) 447-2825
Phone(406) 457-4180
Sole ProprietorNo
Enumeration DateJune 17, 2010
Last NPPES UpdateJune 21, 20162 updates tracked since enumeration
✔ NPI 1154642817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in MT · 38578
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
2550 E BROADWAY ST, Helena, MT 59601
Open in Google Maps ↗

Other Identifiers 2

Other38578MT · License
Medicaid207K00000XMT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin Kathleen Ham Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Erin Ham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multicare Health System
256 mi
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1336902345 (509) 530-4260

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

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.

JOHN J CASSANI DO
Family Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
TAYLOR SHEA HOPSON PHARMD
Pharmacist
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 444-2350
ANDREW P GILBERT MD
Family Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
DR. TRACY BRIAN DILL MD
Internal Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
MS. BETH ANN PLATE MD
Family Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
DR. TYLER JAY SILVESTER DPM
Podiatrist (Foot & Ankle Surgery)
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
DR. JESSICA ANN ELLIOTT BAILEY M.D.
Family Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180
DR. TODD BRIAN WAMPLER MD
Family Medicine
2550 E BROADWAY ST
HELENA, MT 59601
Lewis And Clark County (406) 457-4180

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 Erin Ham's NPI number?

The NPI number for Erin Ham is 1154642817. It was assigned to this individual provider in the NPPES registry on June 17, 2010.

Where is Erin Ham located?

Erin Ham practices at 2550 E Broadway St, Helena, MT 59601. The listed phone number is (406) 457-4180.

What is Erin Ham's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Erin Ham enrolled in Medicare?

Yes. Erin Ham is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Ham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Ham reassigns Medicare benefits to Multicare Health System (Spokane Valley, WA). The 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 Erin Ham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Erin Ham was last updated on June 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.