2026 NPPES data Glaucoma Specialist (Ophthalmology) Physician NPI 1922083690 M.D.
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LES SIEGEL, M.D.

Glaucoma Specialist (Ophthalmology) Physician in SOUTHFIELD, Michigan. 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
10K
Medicare Part D claims · 2K beneficiaries · Glaucoma Specialist (Ophthalmology) Physician avg: 3K
MIPS score
100/100
▲ 17 pts above national avg 83.1 · [object Object]
Industry payments
$316.09
15 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: LES SIEGEL, M.D. is a Glaucoma Specialist (Ophthalmology) Physician ([object Object]) practicing in SOUTHFIELD, Michigan with a Medicare Part D prescribing footprint of 10K claims across 2K beneficiaries . Their CMS MIPS Final Score of 100/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $316.09 across 15 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: LES SIEGEL, M.D. reported a CMS MIPS final score of 100 out of 100, above the 83.1 national average, and filed 10,038 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

LES SIEGEL, M.D. 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).

LES SIEGEL, M.D. at a glance

High performer (top quartile)

NPI registry status

Active

Issued 12/14/2005

NPI 1922083690

Primary specialty

Glaucoma Specialist (Ophthalmology) Physician

Rare

354 US NPIs in this specialty

Medicare Part D claims

10,038 239% vs specialty avg

2023 prescription claims

Specialty avg: 2,962

MIPS final score

100/100 16.900000000000006% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Michigan

How Glaucoma Specialist (Ophthalmology) Physician compares to other specialties among Michigan providers

Michigan providers

Glaucoma Specialist (Ophthalmology) Physician share within Michigan

1. Glaucoma Specialist (Ophthalmology) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Glaucoma Specialist (Ophthalmology) Physician share within Michigan

Medicare quality performance — MIPS

LES SIEGEL, M.D.'s 2023 MIPS final score plotted against the Glaucoma Specialist (Ophthalmology) Physician national average

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

MIPS final score (Glaucoma Specialist (Ophthalmology) Physician) — 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Glaucoma Specialist (Ophthalmology) Physician) — 100/100 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).

LES SIEGEL, M.D. is a Glaucoma Specialist (Ophthalmology) Physician provider practicing in SOUTHFIELD, Michigan, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1922083690. 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.

LES SIEGEL, M.D. appears in the CMS NPPES registry as a Glaucoma Specialist (Ophthalmology) Physician provider holding M.D. credentials at 29201 TELEGRAPH RD, SOUTHFIELD, MI, 48034, with a listed phone of (248) 356-0098. NPI 1922083690 was issued on 12/14/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SIEGEL 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 10,038 prescription claims written by this provider, covering 1,620 Medicare beneficiaries and totaling roughly $1.3 million 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 100/100 for the 2023 performance year (Quality 100), compared with the national average of 83.1.

Glaucoma Specialist (Ophthalmology) Physician is a narrow specialty nationwide, with 354 enrolled providers across 42 states and an average of 2,962 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

29201 TELEGRAPH RD
SOUTHFIELD, MI 48034

Provider Details

NPI 1922083690
Specialty Glaucoma Specialist (Ophthalmology) Physician
Credentials M.D.
Gender Male
NPI Issued 12/14/2005

CMS Quality Score (MIPS)

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

100
Final Score
Avg: 83.1
100
Quality

Reporting: Group practice

Hospital and facility affiliations

Facilities where LES SIEGEL, 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.

GLAUCOMA CENTER OF MICHIGAN PC
SOUTHFIELD, MI

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 LES SIEGEL, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$316

Largest payer

ABBVIE 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.

License & disciplinary context — Michigan MI-BOM 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 ~41K Michigan medical licensees in 2023 — they are NOT specific to LES SIEGEL, M.D.. To verify LES SIEGEL, M.D.'s current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases

MI-BOM 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 Michigan 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.

10,038
Total Claims
$1.3M
Total Drug Cost
1,620
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
19,037
Total Day Supply
553,570
Generic Drug Cost
$307K

Patient Demographics

Average Patient Age
76.7 years
Avg HCC Risk Score
1.25
Gender Split
57% female / 43% male
Age Distribution
<65: 60, 65-74: 620, 75-84: 643, 85+: 297

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Latanoprost
2,078
Timolol Maleate
1,270
Lumigan
Bimatoprost
1,026
Brimonidine Tartrate
971
Dorzolamide Hcl
661
Prednisolone Acetate
644
Dorzolamide-Timolol
Dorzolamide Hcl/Timolol Maleat
569
Bimatoprost
492
Rhopressa
Netarsudil Mesylate
287
Ofloxacin
153

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

Glaucoma Specialist (Ophthalmology) Physician Overview

How LES SIEGEL, M.D. fits within the Glaucoma Specialist (Ophthalmology) Physician landscape nationally.

354
Glaucoma Specialist (Ophthalmology) Physician Providers in US
42
States with Glaucoma Specialist (Ophthalmology) Physician
2,962
Avg Claims per Provider

LES SIEGEL, M.D.'s 10,038 claims are above the specialty average of 2,962.

Nearby Glaucoma Specialist (Ophthalmology) Physician Providers in Michigan

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

Compare Glaucoma Specialist (Ophthalmology) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is LES SIEGEL, M.D.'s specialty?
LES SIEGEL, M.D. specializes in Glaucoma Specialist (Ophthalmology) Physician and practices in SOUTHFIELD, Michigan. Credentials: M.D..
How much does LES SIEGEL, M.D. prescribe under Medicare Part D?
In 2023, LES SIEGEL, M.D. wrote 10,038 Medicare Part D claims totaling $1.3M in drug costs for 1,620 beneficiaries.
What is LES SIEGEL, M.D.'s Medicare quality score?
LES SIEGEL, M.D. has a CMS MIPS Final Score of 100/100 (Quality: 100). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is LES SIEGEL, M.D. located?
LES SIEGEL, M.D. is located at 29201 TELEGRAPH RD, SOUTHFIELD, MI, 48034. Phone: (248) 356-0098.
What is LES SIEGEL, M.D.'s NPI number?
LES SIEGEL, M.D.'s National Provider Identifier (NPI) is 1922083690, issued on 12/14/2005.
How many Glaucoma Specialist (Ophthalmology) Physician providers are there in the US?
There are 354 Glaucoma Specialist (Ophthalmology) Physician providers across 42 states in the US. The average Glaucoma Specialist (Ophthalmology) Physician provider writes 2,962 Medicare Part D claims per year.
What drugs does LES SIEGEL, M.D. prescribe most often?
Based on 2023 Medicare Part D data, LES SIEGEL, M.D.'s most frequently prescribed drugs include Latanoprost, Timolol Maleate, Lumigan. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LES SIEGEL, M.D. accept Medicare?
LES SIEGEL, M.D. appears in CMS Medicare data with 10,038 Part D claims and 1,620 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LES SIEGEL, M.D.'s credentials?
LES SIEGEL, M.D.'s NPI is 1922083690 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.
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