2026 NPPES data Urology Physician NPI 1992943237 MD
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William Leitner, MD

Urology Physician in Birmingham, Alabama. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 13,350 in Urology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
65
Medicare Part D claims · Urology Physician avg: 1K
Generic prescribing
72%
generic claims · 28% brand-name · higher generic rates reduce patient out-of-pocket costs
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

William Leitner, MD filed 65 Medicare Part D claims in 2023 as a Urology Physician in Birmingham, Alabama, prescribing 72% generic.

65
Part D claims, 2023
72%
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.

William Leitner, MD's Medicare Part D volume vs every U.S. prescriber

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

65 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 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. 2K+: 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-eligible specialty (heuristic, not verified)

William Leitner, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about William Leitner, MD?

Quality data not reported

NPI registry status

Active

Issued 01/24/2009

NPI 1992943237

Primary specialty

Urology Physician

Mid-sized

13,350 US NPIs in this specialty

Medicare Part D claims

65 95% vs specialty avg

2023 prescription claims

Specialty avg: 1,280

Specialty distribution in Alabama

How Urology Physician compares to other specialties among Alabama providers

Alabama providers
Student in an Organized Health Care Education/Training Program - 8.1%Student in an Organized Health Care Education/Training Program8.1%Pharmacist - 6.7%Pharmacist6.7%Family Nurse Practitioner - 5.9%Family Nurse Practitioner5.9%Behavior Technician - 4.4%Behavior Technician4.4%Physical Therapist - 4.2%Physical Therapist4.2%Mental Health Counselor - 3.3%Mental Health Counselor3.3%Urology Physician - 0.2%Urology Physician0.2%
Largest specialties in Alabama (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Urology Physician. Verify directly:

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 Leitner, MD appears in the CMS NPPES registry as a Urology Physician provider holding MD credentials at 59 CROSS CREEK DR W, Birmingham, AL, 35213, with a listed phone of (205) 870-0491. NPI 1992943237 was issued on 01/24/2009. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Leitner 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 65 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $18K in drug spend, split 28% brand-name and 72% 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.

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

59 CROSS CREEK DR W
Birmingham, AL 35213

Provider Details

NPI 1992943237
Specialty Urology Physician
Credentials MD
Gender Male
NPI Issued 01/24/2009

Brand vs generic prescribing mix · Above average

William Leitner, MD - brand share 28.0%
Urology Physician average

28% brand-name claims vs 72% generic, on 65 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.

65
Total Claims
$18K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
155
Total Day Supply
4,547
Brand vs Generic
28% brand / 72% generic
Brand Drug Cost
$16K
Generic Drug Cost
$2K

Patient Demographics

Average Patient Age
87.0 years
Avg HCC Risk Score
1.66

Urology Physician Overview

How William Leitner, MD 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

William Leitner, MD's 65 claims are below the specialty average of 1,280.

Nearby Urology Physician Providers in Alabama

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

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

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Alabama medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Urology Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is William Leitner, MD's specialty?
William Leitner, MD specializes in Urology Physician and practices in Birmingham, Alabama. Credentials: MD.
How much does William Leitner, MD prescribe under Medicare Part D?
In 2023, William Leitner, MD wrote 65 Medicare Part D claims totaling $18K in drug costs for N/A beneficiaries.
Where is William Leitner, MD located?
William Leitner, MD is located at 59 CROSS CREEK DR W, Birmingham, AL, 35213. Phone: (205) 870-0491.
What is William Leitner, MD's NPI number?
William Leitner, MD's National Provider Identifier (NPI) is 1992943237, issued on 01/24/2009.
Does William Leitner, MD prescribe more brand-name or generic drugs?
William Leitner, MD's prescribing is 28% brand-name and 72% generic drugs by claim count, with $16K in brand drug costs.
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.
Does William Leitner, MD accept Medicare?
William Leitner, MD appears in CMS Medicare data with 65 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Leitner, MD's credentials?
William Leitner, MD's NPI is 1992943237 with credentials MD. 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

Compiled from official public sources by the PlainDoctor editorial team.