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MARIA A FARMER ARNP, MSN, ACNP-BC
NPI 1427204577
Nurse Practitioner - Acute Care in Austin, MN

Active since August 08, 2008PECOS Enrolled
1000 1ST DR NW, AUSTIN, MN 55912(507) 433-7351 Get Directions Write a Review

NPPES record last updated: October 26, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maria A Farmer Arnp, Msn, Acnp-bc NPPES

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

MARIA A FARMER ARNP, MSN, ACNP-BC (NPI 1427204577) is an individual acute care provider in Austin, Minnesota, licensed in Iowa (L093946) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Waterloo.

NPPES Registry Identity

NPI1427204577
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARIA A FARMERCredential: ARNP, MSN, ACNP-BC
Location Address1000 1ST DR NWAustin, MN 55912-2941
Mailing Address2422 Fern AveWaverly, IA 50677-9242 · (319) 939-4907
Phone(507) 433-7351
Sole ProprietorNo
Enumeration DateAugust 8, 2008
Last NPPES UpdateOctober 26, 2020
NPPES CertifiedOctober 26, 2020
✔ NPI 1427204577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IA · L093946
Also ListedEmergency MedicineTaxonomy 207P00000X · License L093946 (IA)
1000 1ST DR NW, Austin, MN 55912
Open in Google Maps ↗

Secondary Practice Location 1

Location 13840 W 9th StWaterloo, IA 50702-5914 · Phone (800) 458-5003

Other Identifiers 1

Other1427204577IA · Blue Shield

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria A Farmer Arnp, Msn, Acnp-bc 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 Reassignments

7

Medicare enrollment records show Maria Farmer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mayo Clinic Health System-Southeast Minnesota Region
20 mi
Multi-Specialty
404 W FOUNTAIN ST
Albert Lea, MN 56007
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1063435410 (Minnesota)
  • 1,571 clinicians in this Medicare group
NPI 1891701637 (507) 373-2384
Mayo Clinic Health System-Southwest Minnesota Region
39 mi
Critical Access
501 NORTH STATE STREET
Waseca, MN 56093
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1518494251 (Minnesota), NPI 1124035282 (Minnesota)
  • 459 clinicians in this Medicare group
NPI 1740256668 (507) 835-1210
Mayo Clinic Health System-Lake City
64 mi
Critical Access
500 W GRANT ST
Lake City, MN 55041
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1164463659 (Minnesota)
  • 675 clinicians in this Medicare group
NPI 1538113022 (651) 345-3321
Mayo Clinic Health System-Fairmont
74 mi
Multi-Specialty
800 MEDICAL CENTER DR
Fairmont, MN 56031
  • Reassigned Medicare billing, Minnesota enrollment
  • 806 clinicians in this Medicare group
NPI 1366410862 (507) 238-8100
Mayo Clinic Health System-St James
84 mi
Critical Access
1101 MOULTON AND PARSONS DR
Saint James, MN 56081
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1023177730 (Minnesota)
  • 390 clinicians in this Medicare group
NPI 1639198732 (507) 375-3261
Iowa Emergency Physicians LLP
90 mi
Emergency Medicine
3421 WEST NINTH STREET
Waterloo, IA 50702
  • Reassigned Medicare billing, Iowa enrollment
  • 70 clinicians in this Medicare group
NPI 1386879427 (319) 272-8000
Delaware County Memorial Hospital
112 mi
Emergency Medical Services
709 W MAIN ST
Manchester, IA 52057
  • Reassigned Medicare billing, Iowa enrollment
  • 169 clinicians in this Medicare group
NPI 1326073669 (563) 927-3232

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

Areas of Expertise CMS Part B claims 2

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.
103 services101 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.
45 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55912 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

IZZA MIR D.O.
Hospitalist
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 433-7351
MRS. KATHERINE BURLAS SEBALD PA-C
Physician Assistant
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 433-7351
ETHAN ANDREW CROCKER DPT
Physical Medicine & Rehabilitation
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 433-8758
HEATHER MARIE OSGOOD AUDIOLOGIST
Audiologist
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 434-1092
OLAF JS SAMUELSON DO
Internal Medicine
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 433-7351
CYNTHIA MARIE DUBE M.D.
Internal Medicine
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 434-1092
JAMES ANDREW BOHRER M.D.
Ophthalmology
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 434-1092
BOSHENG YANG M.D.
Family Medicine
1000 1ST DR NW
AUSTIN, MN 55912
Mower County (507) 434-1092

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 Maria Farmer's NPI number?

The NPI number for Maria Farmer is 1427204577. It was assigned to this individual provider in the NPPES registry on August 8, 2008.

Where is Maria Farmer located?

Maria Farmer practices at 1000 1st Dr NW, Austin, MN 55912. The listed phone number is (507) 433-7351.

What is Maria Farmer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Maria Farmer enrolled in Medicare?

Yes. Maria Farmer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Farmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Farmer reassigns Medicare benefits to 7 organizations: Mayo Clinic Health System-Southeast Minnesota Region (Albert Lea, MN), Mayo Clinic Health System-Southwest Minnesota Region (Waseca, MN), Mayo Clinic Health System-Lake City (Lake City, MN), Mayo Clinic Health System-Fairmont (Fairmont, MN), Mayo Clinic Health System-St James (Saint James, MN) and 2 more organizations, listed in the Medicare section above. Each 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 Maria Farmer'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 Maria Farmer was last updated on October 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.