2026 NPPES data Registered Nurse NPI 1922305929 NP-C
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Charles Reisdorf, NP-C

Registered Nurse in Howell, Michigan. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers — including 175,652 in Registered Nurse, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration — see our methodology.

Federal data — no proprietary rating. We show these CMS records as-is — no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
1K
Medicare Part D claims · 342 beneficiaries · Registered Nurse avg: 1K
Generic prescribing
80%
generic claims · 20% brand-name · higher generic rates reduce patient out-of-pocket costs
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Charles Reisdorf, NP-C filed 1,221 Medicare Part D claims in 2023 as a Registered Nurse in Howell, Michigan, prescribing 80% generic.

1K
Part D claims, 2023
80%
generic prescribing

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.

Charles Reisdorf, NP-C's Medicare Part D volume vs every U.S. prescriber

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

1,221 Top 22% higher than 78% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). This entry sits in this band. 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 Charles Reisdorf, NP-C?

Quality data not reported

NPI registry status

Active

Issued 02/28/2011

NPI 1922305929

Primary specialty

Registered Nurse

High-volume

175,652 US NPIs in this specialty

Medicare Part D claims

1,221 22% vs specialty avg

2023 prescription claims

Specialty avg: 1,000

Specialty distribution in Michigan

How Registered Nurse compares to other specialties among Michigan providers

Michigan providers

Largest specialties in Michigan (% of in-state providers)

Behavior Technician — 21.4%Behavior Technician21.4%Clinical Social Worker — 5.8%Clinical Social Worker5.8%Student in an Organized Health Care Education/Training Program — 3.6%Student in an Organized Health Care Education/Training Program3.6%Physical Therapist — 3.4%Physical Therapist3.4%Social Worker — 3.4%Social Worker3.4%Pharmacist — 3%Pharmacist3%Registered Nurse — 2.2%Registered Nurse2.2%
Largest specialties in Michigan (% of in-state providers)

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Registered Nurse) — 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).

Charles Reisdorf, NP-C appears in the CMS NPPES registry as a Registered Nurse provider holding NP-C credentials at 3075 E GRAND RIVER AVE STE 112, Howell, MI, 48843, with a listed phone of (517) 798-6766. NPI 1922305929 was issued on 02/28/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Reisdorf 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 1,221 prescription claims written by this provider, covering 342 Medicare beneficiaries and totaling roughly $468K in drug spend, split 20% brand-name and 80% generic by claim count. 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.

Registered Nurse is a high-volume specialty nationwide, with 175,652 enrolled providers across 56 states and an average of 1,000 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

3075 E GRAND RIVER AVE STE 112
Howell, MI 48843

Provider Details

NPI 1922305929
Specialty Registered Nurse
Credentials NP-C
Gender Male
NPI Issued 02/28/2011

Hospital and facility affiliations

Facilities where Charles Reisdorf, NP-C 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.

West Virginia University Medical Corporation
Martinsburg, WV

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

License & disciplinary context — Michigan MI-BOM 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~41K Michigan medical licensees in 2023 — they are NOT specific to Charles Reisdorf, NP-C. To verify Charles Reisdorf, NP-C's current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases

MI-BOM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Michigan disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

Charles Reisdorf, NP-C — brand share 20.0%
Registered Nurse average

20% brand-name claims vs 80% generic, on 1,221 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

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

1,221
Total Claims
$468K
Total Drug Cost
342
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,103
Total Day Supply
59,041
Brand vs Generic
20% brand / 80% generic
Brand Drug Cost
$381K
Generic Drug Cost
$87K
Antibiotic Claims
45

Patient Demographics

Average Patient Age
69.2 years
Avg HCC Risk Score
1.62
Gender Split
70% female / 30% male
Age Distribution
<65: 80, 65-74: 152, 75-84: 93, 85+: 17

Top Prescribed Drugs (Medicare Part D)

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

What Charles Reisdorf, NP-C 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
Pantoprazole Sodium
270
Omeprazole
232
Famotidine
108
Linzess
Linaclotide
77
Dicyclomine Hcl
41
Lubiprostone
39
Peg 3350-Electrolyte
Sodium Chloride/Nahco3/Kcl/Peg
30
Creon
Lipase/Protease/Amylase
29
Ondansetron Hcl
27
Mesalamine
25

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

Registered Nurse Overview

How Charles Reisdorf, NP-C fits within the Registered Nurse landscape nationally.

175,652
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider

Charles Reisdorf, NP-C's 1,221 claims are above the specialty average of 1,000.

Nearby Registered Nurse Providers in Michigan

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

Compare Registered Nurse nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry — providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Michigan medical board — federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Registered Nurse peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only — they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Charles Reisdorf, NP-C's specialty?
Charles Reisdorf, NP-C specializes in Registered Nurse and practices in Howell, Michigan. Credentials: NP-C.
How much does Charles Reisdorf, NP-C prescribe under Medicare Part D?
In 2023, Charles Reisdorf, NP-C wrote 1,221 Medicare Part D claims totaling $468K in drug costs for 342 beneficiaries.
Where is Charles Reisdorf, NP-C located?
Charles Reisdorf, NP-C is located at 3075 E GRAND RIVER AVE STE 112, Howell, MI, 48843. Phone: (517) 798-6766.
What is Charles Reisdorf, NP-C's NPI number?
Charles Reisdorf, NP-C's National Provider Identifier (NPI) is 1922305929, issued on 02/28/2011.
Does Charles Reisdorf, NP-C prescribe more brand-name or generic drugs?
Charles Reisdorf, NP-C's prescribing is 20% brand-name and 80% generic drugs by claim count, with $381K in brand drug costs.
How many Registered Nurse providers are there in the US?
There are 175,652 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,000 Medicare Part D claims per year.
What drugs does Charles Reisdorf, NP-C prescribe most often?
Based on 2023 Medicare Part D data, Charles Reisdorf, NP-C's most frequently prescribed drugs include Pantoprazole Sodium, Omeprazole, Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Charles Reisdorf, NP-C accept Medicare?
Charles Reisdorf, NP-C appears in CMS Medicare data with 1,221 Part D claims and 342 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Charles Reisdorf, NP-C's credentials?
Charles Reisdorf, NP-C's NPI is 1922305929 with credentials NP-C. 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

Compiled from official public sources by the PlainDoctor editorial team.