2026 NPPES data Specialist NPI 1518944800 M.D.
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DENNIS CITRIN, M.D.

Specialist in CHICAGO, Illinois. 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
308
Medicare Part D claims · 67 beneficiaries · Specialist avg: 1K
Generic prescribing
91%
generic claims · 9% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$12.8K
12 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: DENNIS CITRIN, M.D. is a Specialist ([object Object]) practicing in CHICAGO, Illinois with a Medicare Part D prescribing footprint of 308 claims across 67 beneficiaries — 9% brand-name prescribing . Industry payments of $12.8K across 12 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: DENNIS CITRIN, M.D. filed 308 Medicare Part D claims in 2023 across CHICAGO, Illinois. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

DENNIS CITRIN, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 12/28/2005

NPI 1518944800

Primary specialty

Specialist

High-volume

69,658 US NPIs in this specialty

Medicare Part D claims

308 79% vs specialty avg

2023 prescription claims

Specialty avg: 1,474

Specialty distribution in Illinois

How Specialist compares to other specialties among Illinois providers

Illinois providers

Specialist share within Illinois

1. Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Specialist share within Illinois

Specialty board-certification context

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

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

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

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

DENNIS CITRIN, M.D. is a Specialist provider practicing in CHICAGO, Illinois, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1518944800. 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.

DENNIS CITRIN, M.D. appears in the CMS NPPES registry as a Specialist provider holding M.D. credentials at 2361 PAYSPHERE CIRCLE, CHICAGO, IL, 60674, with a listed phone of (847) 746-4358. NPI 1518944800 was issued on 12/28/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CITRIN 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 308 prescription claims written by this provider, covering 67 Medicare beneficiaries and totaling roughly $375K in drug spend, split 9% brand-name and 91% generic by claim count, with an opioid prescribing rate of 5.2%. 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.

Specialist is a high-volume specialty nationwide, with 69,658 enrolled providers across 55 states and an average of 1,474 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

2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674

Provider Details

NPI 1518944800
Specialty Specialist
Credentials M.D.
Gender Male
NPI Issued 12/28/2005

Hospital and facility affiliations

Facilities where DENNIS CITRIN, 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.

COOK COUNTY
CHICAGO, IL

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 DENNIS CITRIN, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$12.8K

Largest payer

AstraZeneca Pharmaceuticals LP

Most common payment type

Travel and Lodging

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 — Illinois IDFPR 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 ~42K Illinois medical licensees in 2023 — they are NOT specific to DENNIS CITRIN, M.D.. To verify DENNIS CITRIN, M.D.'s current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR 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 Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Generic-heavy

DENNIS CITRIN, M.D. — brand share 9.0%
Specialty average (est.)

9% brand-name claims vs 91% generic, on 308 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.

308
Total Claims
$375K
Total Drug Cost
67
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
549
Total Day Supply
15,876
Brand vs Generic
9% brand / 91% generic
Brand Drug Cost
$291K
Generic Drug Cost
$84K
Opioid Claims
16 (5.2% rate)

Patient Demographics

Average Patient Age
70.1 years
Avg HCC Risk Score
1.55

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Anastrozole
46
Letrozole
46
Tamoxifen Citrate
40
Lorazepam
14
Lapatinib
Lapatinib Ditosylate
12
Levothyroxine Sodium
12
Gabapentin
11

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

Specialist Overview

How DENNIS CITRIN, M.D. fits within the Specialist landscape nationally.

69,658
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider

DENNIS CITRIN, M.D.'s 308 claims are below the specialty average of 1,474.

Nearby Specialist Providers in Illinois

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

Compare Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is DENNIS CITRIN, M.D.'s specialty?
DENNIS CITRIN, M.D. specializes in Specialist and practices in CHICAGO, Illinois. Credentials: M.D..
How much does DENNIS CITRIN, M.D. prescribe under Medicare Part D?
In 2023, DENNIS CITRIN, M.D. wrote 308 Medicare Part D claims totaling $375K in drug costs for 67 beneficiaries.
Where is DENNIS CITRIN, M.D. located?
DENNIS CITRIN, M.D. is located at 2361 PAYSPHERE CIRCLE, CHICAGO, IL, 60674. Phone: (847) 746-4358.
What is DENNIS CITRIN, M.D.'s NPI number?
DENNIS CITRIN, M.D.'s National Provider Identifier (NPI) is 1518944800, issued on 12/28/2005.
Does DENNIS CITRIN, M.D. prescribe more brand-name or generic drugs?
DENNIS CITRIN, M.D.'s prescribing is 9% brand-name and 91% generic drugs by claim count, with $291K in brand drug costs.
Does DENNIS CITRIN, M.D. prescribe opioids?
Yes, DENNIS CITRIN, M.D. had 16 opioid claims in 2023 with an opioid prescribing rate of 5.2%.
How many Specialist providers are there in the US?
There are 69,658 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
What drugs does DENNIS CITRIN, M.D. prescribe most often?
Based on 2023 Medicare Part D data, DENNIS CITRIN, M.D.'s most frequently prescribed drugs include Anastrozole, Letrozole, Tamoxifen Citrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does DENNIS CITRIN, M.D. accept Medicare?
DENNIS CITRIN, M.D. appears in CMS Medicare data with 308 Part D claims and 67 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify DENNIS CITRIN, M.D.'s credentials?
DENNIS CITRIN, M.D.'s NPI is 1518944800 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