2026 NPPES data Nurse Practitioner NPI 1639537467 CNP, RN
Verify on CMS →

KELLEY FLECKENSTEIN, CNP, RN

Nurse Practitioner in MANCHESTER, New Hampshire. 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
407
Medicare Part D claims · 26 beneficiaries · Nurse Practitioner avg: 1K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: KELLEY FLECKENSTEIN, CNP, RN is a Nurse Practitioner ([object Object]) practicing in MANCHESTER, New Hampshire with a Medicare Part D prescribing footprint of 407 claims across 26 beneficiaries — 11% brand-name prescribing .

What stands out: KELLEY FLECKENSTEIN, CNP, RN filed 407 Medicare Part D claims in 2023 across MANCHESTER, New Hampshire. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

KELLEY FLECKENSTEIN, CNP, RN at a glance

Quality data not reported

NPI registry status

Active

Issued 02/08/2016

NPI 1639537467

Primary specialty

Nurse Practitioner

High-volume

87,227 US NPIs in this specialty

Medicare Part D claims

407 62% vs specialty avg

2023 prescription claims

Specialty avg: 1,084

Specialty distribution in New Hampshire

How Nurse Practitioner compares to other specialties among New Hampshire providers

New Hampshire providers

Nurse Practitioner share within New Hampshire

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

Specialty board-certification context

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

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

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

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

KELLEY FLECKENSTEIN, CNP, RN is a Nurse Practitioner provider practicing in MANCHESTER, New Hampshire, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: CNP, RN. NPI: 1639537467. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

KELLEY FLECKENSTEIN, CNP, RN appears in the CMS NPPES registry as a Nurse Practitioner provider holding CNP, RN credentials at 1 ELLIOT WAY, MANCHESTER, NH, 03103, with a listed phone of (603) 663-2271. NPI 1639537467 was issued on 02/08/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FLECKENSTEIN 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 407 prescription claims written by this provider, covering 26 Medicare beneficiaries and totaling roughly $24K in drug spend, split 11% brand-name and 89% 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.

Nurse Practitioner is a high-volume specialty nationwide, with 87,227 enrolled providers across 56 states and an average of 1,084 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

1 ELLIOT WAY
MANCHESTER, NH 03103

Provider Details

NPI 1639537467
Specialty Nurse Practitioner
Credentials CNP, RN
Gender Female
NPI Issued 02/08/2016

Hospital and facility affiliations

Facilities where KELLEY FLECKENSTEIN, CNP, RN 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.

ELLIOT PROFESSIONAL SERVICES
MANCHESTER, NH

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

Brand vs generic prescribing mix · Typical

KELLEY FLECKENSTEIN, CNP, RN — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 407 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.

407
Total Claims
$24K
Total Drug Cost
26
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
407
Total Day Supply
10,692
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$16K
Generic Drug Cost
$8K

Patient Demographics

Average Patient Age
75.3 years
Avg HCC Risk Score
2.26

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Metoprolol Tartrate
24
Pantoprazole Sodium
24
Gabapentin
22
Eliquis
Apixaban
21
Donepezil Hcl
20
Atorvastatin Calcium
19
Baclofen
17
Metoprolol Succinate
15
Amlodipine Besylate
14
Furosemide
14

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

Nurse Practitioner Overview

How KELLEY FLECKENSTEIN, CNP, RN fits within the Nurse Practitioner landscape nationally.

87,227
Nurse Practitioner Providers in US
56
States with Nurse Practitioner
1,084
Avg Claims per Provider

KELLEY FLECKENSTEIN, CNP, RN's 407 claims are below the specialty average of 1,084.

Nearby Nurse Practitioner Providers in New Hampshire

Other clinicians with the same primary specialty enrolled in New Hampshire, drawn from the same CMS NPPES roster as FLECKENSTEIN.

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

Frequently Asked Questions

What is KELLEY FLECKENSTEIN, CNP, RN's specialty?
KELLEY FLECKENSTEIN, CNP, RN specializes in Nurse Practitioner and practices in MANCHESTER, New Hampshire. Credentials: CNP, RN.
How much does KELLEY FLECKENSTEIN, CNP, RN prescribe under Medicare Part D?
In 2023, KELLEY FLECKENSTEIN, CNP, RN wrote 407 Medicare Part D claims totaling $24K in drug costs for 26 beneficiaries.
Where is KELLEY FLECKENSTEIN, CNP, RN located?
KELLEY FLECKENSTEIN, CNP, RN is located at 1 ELLIOT WAY, MANCHESTER, NH, 03103. Phone: (603) 663-2271.
What is KELLEY FLECKENSTEIN, CNP, RN's NPI number?
KELLEY FLECKENSTEIN, CNP, RN's National Provider Identifier (NPI) is 1639537467, issued on 02/08/2016.
Does KELLEY FLECKENSTEIN, CNP, RN prescribe more brand-name or generic drugs?
KELLEY FLECKENSTEIN, CNP, RN's prescribing is 11% brand-name and 89% generic drugs by claim count, with $16K in brand drug costs.
How many Nurse Practitioner providers are there in the US?
There are 87,227 Nurse Practitioner providers across 56 states in the US. The average Nurse Practitioner provider writes 1,084 Medicare Part D claims per year.
What drugs does KELLEY FLECKENSTEIN, CNP, RN prescribe most often?
Based on 2023 Medicare Part D data, KELLEY FLECKENSTEIN, CNP, RN's most frequently prescribed drugs include Metoprolol Tartrate, Pantoprazole Sodium, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KELLEY FLECKENSTEIN, CNP, RN accept Medicare?
KELLEY FLECKENSTEIN, CNP, RN appears in CMS Medicare data with 407 Part D claims and 26 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KELLEY FLECKENSTEIN, CNP, RN's credentials?
KELLEY FLECKENSTEIN, CNP, RN's NPI is 1639537467 with credentials CNP, RN. 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