2026 NPPES data Adult Psychiatric/Mental Health Clinical Nurse Specialist NPI 1427048677 A.P.N.
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SHERRI PARKS, A.P.N.

Adult Psychiatric/Mental Health Clinical Nurse Specialist in LITTLE ROCK, Arkansas. 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
4K
Medicare Part D claims · 165 beneficiaries · Adult Psychiatric/Mental Health Clinical Nurse Specialist avg: 1K
Generic prescribing
93%
generic claims · 7% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

SHERRI PARKS, A.P.N. filed 3,562 Medicare Part D claims in 2023 as a Adult Psychiatric/Mental Health Clinical Nurse Specialist in LITTLE ROCK, Arkansas, prescribing 93% generic.

4K
Part D claims, 2023
93%
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.

SHERRI PARKS, A.P.N.'s Medicare Part D volume vs every U.S. prescriber

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

3,562 Top 10% higher than 90% 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%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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 SHERRI PARKS, A.P.N.?

Quality data not reported

NPI registry status

Active

Issued 10/27/2005

NPI 1427048677

Primary specialty

Adult Psychiatric/Mental Health Clinical Nurse Specialist

Niche

953 US NPIs in this specialty

Medicare Part D claims

3,562 172% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

Specialty distribution in Arkansas

How Adult Psychiatric/Mental Health Clinical Nurse Specialist compares to other specialties among Arkansas providers

Arkansas providers

Adult Psychiatric/Mental Health Clinical Nurse Specialist share within Arkansas

1. Adult Psychiatric/Mental Health Clinical Nurse Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Adult Psychiatric/Mental Health Clinical Nurse Specialist share within Arkansas

Specialty board-certification context

Estimated specialty board-certified rate — Adult Psychiatric/Mental Health Clinical Nurse Specialist (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Adult Psychiatric/Mental Health Clinical Nurse Specialist ABMS/AOA estimate

Est. board-certified rate (Adult Psychiatric/Mental Health Clinical Nurse Specialist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Adult Psychiatric/Mental Health Clinical Nurse Specialist) — 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).

SHERRI PARKS, A.P.N. is a Adult Psychiatric/Mental Health Clinical Nurse Specialist provider practicing in LITTLE ROCK, Arkansas, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: A.P.N.. NPI: 1427048677. 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.

SHERRI PARKS, A.P.N. appears in the CMS NPPES registry as a Adult Psychiatric/Mental Health Clinical Nurse Specialist provider holding A.P.N. credentials at 1100 N UNIVERSITY AVE, LITTLE ROCK, AR, 72207, with a listed phone of (501) 686-9300. NPI 1427048677 was issued on 10/27/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PARKS 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 3,562 prescription claims written by this provider, covering 165 Medicare beneficiaries and totaling roughly $702K in drug spend, split 7% brand-name and 93% 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.

Adult Psychiatric/Mental Health Clinical Nurse Specialist is a narrow specialty nationwide, with 953 enrolled providers across 51 states and an average of 1,309 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

1100 N UNIVERSITY AVE
LITTLE ROCK, AR 72207

Provider Details

NPI 1427048677
Specialty Adult Psychiatric/Mental Health Clinical Nurse Specialist
Credentials A.P.N.
Gender Female
NPI Issued 10/27/2005

Brand vs generic prescribing mix · Generic-heavy

SHERRI PARKS, A.P.N. — brand share 7.0%
Specialty average (est.)

7% brand-name claims vs 93% generic, on 3,562 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.

3,562
Total Claims
$702K
Total Drug Cost
165
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,253
Total Day Supply
126,185
Brand vs Generic
7% brand / 93% generic
Brand Drug Cost
$616K
Generic Drug Cost
$87K

Patient Demographics

Average Patient Age
54.4 years
Avg HCC Risk Score
1.46
Gender Split
64% female / 36% male
Age Distribution
<65: 124, 65-74: 34, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Trazodone Hcl
211
Escitalopram Oxalate
201
Clonazepam
182
Venlafaxine Hcl Er
Venlafaxine Hcl
178
Alprazolam
166
Fluoxetine Hcl
158
Doxepin Hcl
145
Aripiprazole
139
Lorazepam
139
Quetiapine Fumarate
129

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

Adult Psychiatric/Mental Health Clinical Nurse Specialist Overview

How SHERRI PARKS, A.P.N. fits within the Adult Psychiatric/Mental Health Clinical Nurse Specialist landscape nationally.

953
Adult Psychiatric/Mental Health Clinical Nurse Specialist Providers in US
51
States with Adult Psychiatric/Mental Health Clinical Nurse Specialist
1,309
Avg Claims per Provider

SHERRI PARKS, A.P.N.'s 3,562 claims are above the specialty average of 1,309.

Nearby Adult Psychiatric/Mental Health Clinical Nurse Specialist Providers in Arkansas

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

Compare Adult Psychiatric/Mental Health Clinical Nurse Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is SHERRI PARKS, A.P.N.'s specialty?
SHERRI PARKS, A.P.N. specializes in Adult Psychiatric/Mental Health Clinical Nurse Specialist and practices in LITTLE ROCK, Arkansas. Credentials: A.P.N..
How much does SHERRI PARKS, A.P.N. prescribe under Medicare Part D?
In 2023, SHERRI PARKS, A.P.N. wrote 3,562 Medicare Part D claims totaling $702K in drug costs for 165 beneficiaries.
Where is SHERRI PARKS, A.P.N. located?
SHERRI PARKS, A.P.N. is located at 1100 N UNIVERSITY AVE, LITTLE ROCK, AR, 72207. Phone: (501) 686-9300.
What is SHERRI PARKS, A.P.N.'s NPI number?
SHERRI PARKS, A.P.N.'s National Provider Identifier (NPI) is 1427048677, issued on 10/27/2005.
Does SHERRI PARKS, A.P.N. prescribe more brand-name or generic drugs?
SHERRI PARKS, A.P.N.'s prescribing is 7% brand-name and 93% generic drugs by claim count, with $616K in brand drug costs.
How many Adult Psychiatric/Mental Health Clinical Nurse Specialist providers are there in the US?
There are 953 Adult Psychiatric/Mental Health Clinical Nurse Specialist providers across 51 states in the US. The average Adult Psychiatric/Mental Health Clinical Nurse Specialist provider writes 1,309 Medicare Part D claims per year.
What drugs does SHERRI PARKS, A.P.N. prescribe most often?
Based on 2023 Medicare Part D data, SHERRI PARKS, A.P.N.'s most frequently prescribed drugs include Trazodone Hcl, Escitalopram Oxalate, Clonazepam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SHERRI PARKS, A.P.N. accept Medicare?
SHERRI PARKS, A.P.N. appears in CMS Medicare data with 3,562 Part D claims and 165 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SHERRI PARKS, A.P.N.'s credentials?
SHERRI PARKS, A.P.N.'s NPI is 1427048677 with credentials A.P.N.. 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