DR. ERICA FARMER O.D.
NPI 1164454872
Optometrist in Havre, MT
About Dr. Erica Farmer O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERICA FARMER O.D. (NPI 1164454872) is an individual optometrist in Havre, Montana, licensed in Montana (824) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Northern Montana Hospital, and is a graduate of University Of Houston - College Of Optometry (2000).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Erica Farmer O.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.
Medicare Billing Reassignment
Medicare enrollment records show Erica Farmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Havre, MT 59501
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1427059070 (Montana)
- 81 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Montana Hospital
Critical Access Hospitals · Havre, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Erica Farmer's NPI number?
The NPI number for Erica Farmer is 1164454872. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Erica Farmer located?
Erica Farmer practices at 20 13th St W Box 1231, Havre, MT 59501. The listed phone number is (406) 262-2020.
What is Erica Farmer's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Erica Farmer enrolled in Medicare?
Yes. Erica Farmer 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.
Which organization bills Medicare for Erica Farmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Farmer reassigns Medicare benefits to Northern Montana Hospital (Havre, MT). 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 Erica Farmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erica Farmer accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee and 3 other insurers list Erica Farmer 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 Erica Farmer affiliated with any hospitals?
According to CMS data, Erica Farmer is affiliated with Northern Montana Hospital.
When was this NPI record last updated?
The NPPES record for Erica Farmer was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
# Dr. Erica Farmer, O.D. · NPI 1164454872
Optometrist provider in Havre, Montana. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1164454872 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 824 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 13TH ST W, BOX 1231, Havre, MT 59501-5215
- **Phone:** (406) 262-2020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Northern Montana Hospital (NPI 1023169190, Havre, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 2000
## Record status
- **NPPES last updated:** September 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164454872) · Data from the CMS NPPES public registry.