2026 NPPES data Family Nurse Practitioner NPI 1558810705 APRN-CNP
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GRETCHEN FISCHER, APRN-CNP

Family Nurse Practitioner in MANKATO, Minnesota. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
296
Medicare Part D claims · 104 beneficiaries · Family Nurse Practitioner avg: 1K

What the federal data shows

GRETCHEN FISCHER, APRN-CNP filed 296 Medicare Part D claims in 2023 as a Family Nurse Practitioner in MANKATO, Minnesota.

296
Part D claims, 2023

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

GRETCHEN FISCHER, APRN-CNP's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

296 49th percentile higher than 49% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about GRETCHEN FISCHER, APRN-CNP?

Quality data not reported

NPI registry status

Active

Issued 09/29/2016

NPI 1558810705

Primary specialty

Family Nurse Practitioner

High-volume

209,817 US NPIs in this specialty

Medicare Part D claims

296 76% vs specialty avg

2023 prescription claims

Specialty avg: 1,222

Specialty distribution in Minnesota

How Family Nurse Practitioner compares to other specialties among Minnesota providers

Minnesota providers

Family Nurse Practitioner share within Minnesota

1. Family Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Family Nurse Practitioner share within Minnesota

Specialty board-certification context

Estimated specialty board-certified rate — Family Nurse Practitioner (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Family Nurse Practitioner ABMS/AOA estimate

Est. board-certified rate (Family Nurse Practitioner) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Family Nurse Practitioner) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

GRETCHEN FISCHER, APRN-CNP appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding APRN-CNP credentials at 1025 MARSH ST, MANKATO, MN, 56001, with a listed phone of (507) 625-4031. NPI 1558810705 was issued on 09/29/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FISCHER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 296 prescription claims written by this provider, covering 104 Medicare beneficiaries and totaling roughly $6K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Family Nurse Practitioner is a high-volume specialty nationwide, with 209,817 enrolled providers across 56 states and an average of 1,222 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

1025 MARSH ST
MANKATO, MN 56001

Provider Details

NPI 1558810705
Specialty Family Nurse Practitioner
Credentials APRN-CNP
Gender Female
NPI Issued 09/29/2016

Hospital and facility affiliations

Facilities where GRETCHEN FISCHER, APRN-CNP bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

MANKATO CLINIC LTD
MANKATO, MN
MAYO CLINIC HEALTH SYSTEM-SOUTHWEST MINNESOTA REGION
MANKATO, MN

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

296
Total Claims
$6K
Total Drug Cost
104
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
302
Total Day Supply
5,869
Generic Drug Cost
$4K
Antibiotic Claims
15

Patient Demographics

Average Patient Age
80.7 years
Avg HCC Risk Score
2.82
Gender Split
54% female / 46% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What GRETCHEN FISCHER, APRN-CNP prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Quetiapine Fumarate
33
Furosemide
21
Levothyroxine Sodium
21
Risperidone
19
Trazodone Hcl
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Family Nurse Practitioner Overview

How GRETCHEN FISCHER, APRN-CNP fits within the Family Nurse Practitioner landscape nationally.

209,817
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider

GRETCHEN FISCHER, APRN-CNP's 296 claims are below the specialty average of 1,222.

Nearby Family Nurse Practitioner Providers in Minnesota

Other clinicians with the same primary specialty enrolled in Minnesota, drawn from the same CMS NPPES roster as FISCHER.

Compare Family Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is GRETCHEN FISCHER, APRN-CNP's specialty?
GRETCHEN FISCHER, APRN-CNP specializes in Family Nurse Practitioner and practices in MANKATO, Minnesota. Credentials: APRN-CNP.
How much does GRETCHEN FISCHER, APRN-CNP prescribe under Medicare Part D?
In 2023, GRETCHEN FISCHER, APRN-CNP wrote 296 Medicare Part D claims totaling $6K in drug costs for 104 beneficiaries.
Where is GRETCHEN FISCHER, APRN-CNP located?
GRETCHEN FISCHER, APRN-CNP is located at 1025 MARSH ST, MANKATO, MN, 56001. Phone: (507) 625-4031.
What is GRETCHEN FISCHER, APRN-CNP's NPI number?
GRETCHEN FISCHER, APRN-CNP's National Provider Identifier (NPI) is 1558810705, issued on 09/29/2016.
How many Family Nurse Practitioner providers are there in the US?
There are 209,817 Family Nurse Practitioner providers across 56 states in the US. The average Family Nurse Practitioner provider writes 1,222 Medicare Part D claims per year.
What drugs does GRETCHEN FISCHER, APRN-CNP prescribe most often?
Based on 2023 Medicare Part D data, GRETCHEN FISCHER, APRN-CNP's most frequently prescribed drugs include Quetiapine Fumarate, Furosemide, Levothyroxine Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does GRETCHEN FISCHER, APRN-CNP accept Medicare?
GRETCHEN FISCHER, APRN-CNP appears in CMS Medicare data with 296 Part D claims and 104 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify GRETCHEN FISCHER, APRN-CNP's credentials?
GRETCHEN FISCHER, APRN-CNP's NPI is 1558810705 with credentials APRN-CNP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology