2026 NPPES data Neurology Physician NPI 1922273200 MD, PHD
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ARI WILKENFELD, MD, PHD

Neurology Physician in WORCESTER, Massachusetts. 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
513
Medicare Part D claims · 74 beneficiaries · Neurology Physician avg: 1K
MIPS score
97.0218/100
▲ 14 pts above national avg 83.1 · [object Object]

What the federal data shows

ARI WILKENFELD, MD, PHD reported a CMS MIPS final score of 97.0218/100 — above the 83.1 national average — and filed 513 Medicare Part D claims in 2023.

97.0218/100
MIPS score · +14 vs avg
513
Part D claims, 2023
Likely
board-certified (heuristic)

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.

ARI WILKENFELD, MD, PHD's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

97 Top 15% higher than 85% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). Below this entry. 90–100: 189,403 scored providers (40%). This entry sits in this band. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. 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 Merit-based Incentive Payment System (MIPS) · 2023

Board certification likely (heuristic — not verified)

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

What does the federal data show about ARI WILKENFELD, MD, PHD?

High performer (top quartile)

NPI registry status

Active

Issued 04/28/2008

NPI 1922273200

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

513 61% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

MIPS final score

97.0218/100 13.921800000000005% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Massachusetts

How Neurology Physician compares to other specialties among Massachusetts providers

Massachusetts providers

Neurology Physician share within Massachusetts

1. Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology Physician share within Massachusetts

Medicare quality performance — MIPS

ARI WILKENFELD, MD, PHD's 2023 MIPS final score plotted against the Neurology Physician national average

High performer (top quartile)
MIPS Final Score
97.0218/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Neurology Physician) — 97.0218/100 vs national avg 83.1

0%100%National avg83%97%
MIPS final score (Neurology Physician) — 97.0218/100 vs national avg 83.1

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).

ARI WILKENFELD, MD, PHD appears in the CMS NPPES registry as a Neurology Physician provider holding MD, PHD credentials at 55 LAKE AVE N, WORCESTER, MA, 01655, with a listed phone of (508) 334-2527. NPI 1922273200 was issued on 04/28/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WILKENFELD 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 513 prescription claims written by this provider, covering 74 Medicare beneficiaries and totaling roughly $25K 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 97.0218/100 for the 2023 performance year (Quality 78.0983), compared with the national average of 83.1.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 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

55 LAKE AVE N
WORCESTER, MA 01655

Provider Details

NPI 1922273200
Specialty Neurology Physician
Credentials MD, PHD
Gender Male
NPI Issued 04/28/2008

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

97.0218
Final Score
Avg: 83.1
78.0983
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where ARI WILKENFELD, MD, PHD 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.

UMASS MEMORIAL MEDICAL GROUP INC
WORCESTER, MA

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 — Massachusetts BORIM 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 ~38K Massachusetts medical licensees in 2023 — they are NOT specific to ARI WILKENFELD, MD, PHD. To verify ARI WILKENFELD, MD, PHD's current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

80
Total board actions, Massachusetts 2023
Across 78 cases
2.11
Actions per 1,000 licensees
Massachusetts statewide rate
probation
Most common action type
29 cases

BORIM 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 Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

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

513
Total Claims
$25K
Total Drug Cost
74
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
945
Total Day Supply
27,958
Generic Drug Cost
$23K

Patient Demographics

Average Patient Age
71.2 years
Avg HCC Risk Score
1.51
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 ARI WILKENFELD, MD, PHD 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
Carbidopa-Levodopa
Carbidopa/Levodopa
97
Levetiracetam
80
Memantine Hcl
42
Donepezil Hcl
41
Phenytoin Sodium Extended
29
Primidone
26
Oxcarbazepine
20
Lamotrigine
16
Valproic Acid
15
Dilantin
Phenytoin Sodium Extended
13

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

Neurology Physician Overview

How ARI WILKENFELD, MD, PHD fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

ARI WILKENFELD, MD, PHD's 513 claims are below the specialty average of 1,309.

Nearby Neurology Physician Providers in Massachusetts

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

Compare Neurology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ARI WILKENFELD, MD, PHD's specialty?
ARI WILKENFELD, MD, PHD specializes in Neurology Physician and practices in WORCESTER, Massachusetts. Credentials: MD, PHD.
How much does ARI WILKENFELD, MD, PHD prescribe under Medicare Part D?
In 2023, ARI WILKENFELD, MD, PHD wrote 513 Medicare Part D claims totaling $25K in drug costs for 74 beneficiaries.
What is ARI WILKENFELD, MD, PHD's Medicare quality score?
ARI WILKENFELD, MD, PHD has a CMS MIPS Final Score of 97.0218/100 (Quality: 78.0983). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is ARI WILKENFELD, MD, PHD located?
ARI WILKENFELD, MD, PHD is located at 55 LAKE AVE N, WORCESTER, MA, 01655. Phone: (508) 334-2527.
What is ARI WILKENFELD, MD, PHD's NPI number?
ARI WILKENFELD, MD, PHD's National Provider Identifier (NPI) is 1922273200, issued on 04/28/2008.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does ARI WILKENFELD, MD, PHD prescribe most often?
Based on 2023 Medicare Part D data, ARI WILKENFELD, MD, PHD's most frequently prescribed drugs include Carbidopa-Levodopa, Levetiracetam, Memantine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ARI WILKENFELD, MD, PHD accept Medicare?
ARI WILKENFELD, MD, PHD appears in CMS Medicare data with 513 Part D claims and 74 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ARI WILKENFELD, MD, PHD's credentials?
ARI WILKENFELD, MD, PHD's NPI is 1922273200 with credentials MD, PHD. 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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