2026 NPPES data Psychosomatic Medicine Physician NPI 1992332902
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WILLIAM PARKER

Psychosomatic Medicine Physician in WILMINGTON, North Carolina. 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
703
Medicare Part D claims · 102 beneficiaries · Psychosomatic Medicine Physician avg: 645
Generic prescribing
95%
generic claims · 5% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: WILLIAM PARKER is a Psychosomatic Medicine Physician ([object Object]) practicing in WILMINGTON, North Carolina with a Medicare Part D prescribing footprint of 703 claims across 102 beneficiaries — 5% brand-name prescribing .

What stands out: WILLIAM PARKER filed 703 Medicare Part D claims in 2023 across WILMINGTON, North Carolina. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

WILLIAM PARKER practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

WILLIAM PARKER at a glance

Quality data not reported

NPI registry status

Active

Issued 03/27/2020

NPI 1992332902

Primary specialty

Psychosomatic Medicine Physician

Rare

491 US NPIs in this specialty

Medicare Part D claims

703 9% vs specialty avg

2023 prescription claims

Specialty avg: 645

Specialty distribution in North Carolina

How Psychosomatic Medicine Physician compares to other specialties among North Carolina providers

North Carolina providers

Psychosomatic Medicine Physician share within North Carolina

1. Psychosomatic Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Psychosomatic Medicine Physician share within North Carolina

Specialty board-certification context

Estimated specialty board-certified rate — Psychosomatic Medicine Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Psychosomatic Medicine Physician ABMS/AOA estimate

Est. board-certified rate (Psychosomatic Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Psychosomatic Medicine Physician) — 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).

WILLIAM PARKER is a Psychosomatic Medicine Physician provider practicing in WILMINGTON, North Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1992332902. 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.

WILLIAM PARKER appears in the CMS NPPES registry as a Psychosomatic Medicine Physician provider at 2131 S 17TH ST, WILMINGTON, NC, 28401, with a listed phone of (910) 667-7000. NPI 1992332902 was issued on 03/27/2020. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PARKER 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 703 prescription claims written by this provider, covering 102 Medicare beneficiaries and totaling roughly $96K in drug spend, split 5% brand-name and 95% 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.

Psychosomatic Medicine Physician is a narrow specialty nationwide, with 491 enrolled providers across 43 states and an average of 645 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

2131 S 17TH ST
WILMINGTON, NC 28401

Provider Details

NPI 1992332902
Specialty Psychosomatic Medicine Physician
Gender Male
NPI Issued 03/27/2020

Hospital and facility affiliations

Facilities where WILLIAM PARKER 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.

NOVANT HEALTH MEDICAL GROUP COASTAL REGION LLC
WILMINGTON, NC

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 · Generic-heavy

WILLIAM PARKER — brand share 5.0%
Specialty average (est.)

5% brand-name claims vs 95% generic, on 703 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.

703
Total Claims
$96K
Total Drug Cost
102
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,427
Total Day Supply
42,386
Brand vs Generic
5% brand / 95% generic
Brand Drug Cost
$50K
Generic Drug Cost
$46K

Patient Demographics

Average Patient Age
58.4 years
Avg HCC Risk Score
1.31
Gender Split
62% female / 38% male
Age Distribution
<65: 57, 65-74: 28, 75-84: 17, 85+: 0

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Quetiapine Fumarate
59
Trazodone Hcl
54
Bupropion Xl
Bupropion Hcl
39
Hydroxyzine Hcl
37
Sertraline Hcl
37
Buspirone Hcl
33
Risperidone
30
Clonazepam
29
Lamotrigine
28
Duloxetine Hcl
23

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

Psychosomatic Medicine Physician Overview

How WILLIAM PARKER fits within the Psychosomatic Medicine Physician landscape nationally.

491
Psychosomatic Medicine Physician Providers in US
43
States with Psychosomatic Medicine Physician
645
Avg Claims per Provider

WILLIAM PARKER's 703 claims are above the specialty average of 645.

Nearby Psychosomatic Medicine Physician Providers in North Carolina

Other clinicians with the same primary specialty enrolled in North Carolina, drawn from the same CMS NPPES roster as PARKER.

Compare Psychosomatic Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is WILLIAM PARKER's specialty?
WILLIAM PARKER specializes in Psychosomatic Medicine Physician and practices in WILMINGTON, North Carolina.
How much does WILLIAM PARKER prescribe under Medicare Part D?
In 2023, WILLIAM PARKER wrote 703 Medicare Part D claims totaling $96K in drug costs for 102 beneficiaries.
Where is WILLIAM PARKER located?
WILLIAM PARKER is located at 2131 S 17TH ST, WILMINGTON, NC, 28401. Phone: (910) 667-7000.
What is WILLIAM PARKER's NPI number?
WILLIAM PARKER's National Provider Identifier (NPI) is 1992332902, issued on 03/27/2020.
Does WILLIAM PARKER prescribe more brand-name or generic drugs?
WILLIAM PARKER's prescribing is 5% brand-name and 95% generic drugs by claim count, with $50K in brand drug costs.
How many Psychosomatic Medicine Physician providers are there in the US?
There are 491 Psychosomatic Medicine Physician providers across 43 states in the US. The average Psychosomatic Medicine Physician provider writes 645 Medicare Part D claims per year.
What drugs does WILLIAM PARKER prescribe most often?
Based on 2023 Medicare Part D data, WILLIAM PARKER's most frequently prescribed drugs include Quetiapine Fumarate, Trazodone Hcl, Bupropion Xl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does WILLIAM PARKER accept Medicare?
WILLIAM PARKER appears in CMS Medicare data with 703 Part D claims and 102 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify WILLIAM PARKER's credentials?
WILLIAM PARKER's NPI is 1992332902. 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