2026 NPPES data Urology Physician NPI 1225007438 M.D.
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JEFFREY WILLIAMS, M.D.

Urology Physician in GLEN RIDGE, New Jersey. 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
1K
Medicare Part D claims · 336 beneficiaries · Urology Physician avg: 1K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$105.37
6 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

JEFFREY WILLIAMS, M.D. filed 1,100 Medicare Part D claims in 2023 as a Urology Physician in GLEN RIDGE, New Jersey, prescribing 89% generic.

1K
Part D claims, 2023
89%
generic prescribing
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.

JEFFREY WILLIAMS, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

1,100 Top 23% higher than 77% 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%). This entry sits in this band. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 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

Board certification likely (heuristic — not verified)

JEFFREY WILLIAMS, M.D. 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).

What does the federal data show about JEFFREY WILLIAMS, M.D.?

Quality data not reported

NPI registry status

Active

Issued 03/17/2006

NPI 1225007438

Primary specialty

Urology Physician

Mid-sized

13,350 US NPIs in this specialty

Medicare Part D claims

1,100 14% vs specialty avg

2023 prescription claims

Specialty avg: 1,280

Specialty distribution in New Jersey

How Urology Physician compares to other specialties among New Jersey providers

New Jersey providers

Urology Physician share within New Jersey

1. Urology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Urology Physician share within New Jersey

Specialty board-certification context

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

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

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

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

JEFFREY WILLIAMS, M.D. is a Urology Physician provider practicing in GLEN RIDGE, New Jersey, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1225007438. 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.

JEFFREY WILLIAMS, M.D. appears in the CMS NPPES registry as a Urology Physician provider holding M.D. credentials at 311 BAY AVE STE 200, GLEN RIDGE, NJ, 07028, with a listed phone of (973) 429-0462. NPI 1225007438 was issued on 03/17/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WILLIAMS 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 1,100 prescription claims written by this provider, covering 336 Medicare beneficiaries and totaling roughly $96K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 1.1%. 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.

Urology Physician is a mid-sized specialty nationwide, with 13,350 enrolled providers across 54 states and an average of 1,280 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

311 BAY AVE STE 200
GLEN RIDGE, NJ 07028

Provider Details

NPI 1225007438
Specialty Urology Physician
Credentials M.D.
Gender Male
NPI Issued 03/17/2006

Hospital and facility affiliations

Facilities where JEFFREY WILLIAMS, M.D. 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.

SUMMIT MEDICAL GROUP PA
BERKELEY HEIGHTS, NJ

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

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for JEFFREY WILLIAMS, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$105

Largest payer

Sumitomo Pharma America, Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

JEFFREY WILLIAMS, M.D. — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 1,100 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.

1,100
Total Claims
$96K
Total Drug Cost
336
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,251
Total Day Supply
63,183
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$66K
Generic Drug Cost
$30K
Opioid Claims
12 (1.1% rate)
Antibiotic Claims
158

Patient Demographics

Average Patient Age
75.9 years
Avg HCC Risk Score
1.25
Gender Split
21% female / 79% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Tamsulosin Hcl
371
Finasteride
164
Myrbetriq
Mirabegron
72
Alfuzosin Hcl Er
Alfuzosin Hcl
49
Solifenacin Succinate
44
Ciprofloxacin Hcl
43
Nitrofurantoin Mono-Macro
Nitrofurantoin Monohyd/M-Cryst
43
Sulfamethoxazole-Trimethoprim
Sulfamethoxazole/Trimethoprim
43
Sildenafil Citrate
40
Testosterone
26

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

Urology Physician Overview

How JEFFREY WILLIAMS, M.D. fits within the Urology Physician landscape nationally.

13,350
Urology Physician Providers in US
54
States with Urology Physician
1,280
Avg Claims per Provider

JEFFREY WILLIAMS, M.D.'s 1,100 claims are below the specialty average of 1,280.

Nearby Urology Physician Providers in New Jersey

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

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

Frequently Asked Questions

What is JEFFREY WILLIAMS, M.D.'s specialty?
JEFFREY WILLIAMS, M.D. specializes in Urology Physician and practices in GLEN RIDGE, New Jersey. Credentials: M.D..
How much does JEFFREY WILLIAMS, M.D. prescribe under Medicare Part D?
In 2023, JEFFREY WILLIAMS, M.D. wrote 1,100 Medicare Part D claims totaling $96K in drug costs for 336 beneficiaries.
Where is JEFFREY WILLIAMS, M.D. located?
JEFFREY WILLIAMS, M.D. is located at 311 BAY AVE STE 200, GLEN RIDGE, NJ, 07028. Phone: (973) 429-0462.
What is JEFFREY WILLIAMS, M.D.'s NPI number?
JEFFREY WILLIAMS, M.D.'s National Provider Identifier (NPI) is 1225007438, issued on 03/17/2006.
Does JEFFREY WILLIAMS, M.D. prescribe more brand-name or generic drugs?
JEFFREY WILLIAMS, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $66K in brand drug costs.
Does JEFFREY WILLIAMS, M.D. prescribe opioids?
Yes, JEFFREY WILLIAMS, M.D. had 12 opioid claims in 2023 with an opioid prescribing rate of 1.1%.
How many Urology Physician providers are there in the US?
There are 13,350 Urology Physician providers across 54 states in the US. The average Urology Physician provider writes 1,280 Medicare Part D claims per year.
What drugs does JEFFREY WILLIAMS, M.D. prescribe most often?
Based on 2023 Medicare Part D data, JEFFREY WILLIAMS, M.D.'s most frequently prescribed drugs include Tamsulosin Hcl, Finasteride, Myrbetriq. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JEFFREY WILLIAMS, M.D. accept Medicare?
JEFFREY WILLIAMS, M.D. appears in CMS Medicare data with 1,100 Part D claims and 336 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify JEFFREY WILLIAMS, M.D.'s credentials?
JEFFREY WILLIAMS, M.D.'s NPI is 1225007438 with credentials M.D.. 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