2026 NPPES data Pediatric Orthopaedic Surgery Physician NPI 1598717779 M.D.
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MARK LEE, M.D.

Pediatric Orthopaedic Surgery Physician in HARTFORD, Connecticut. 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
15
Medicare Part D claims · Pediatric Orthopaedic Surgery Physician avg: 128

What the federal data shows

MARK LEE, M.D. filed 15 Medicare Part D claims in 2023 as a Pediatric Orthopaedic Surgery Physician in HARTFORD, Connecticut.

15
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.

MARK LEE, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

15 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. 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)

MARK LEE, 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 MARK LEE, M.D.?

Quality data not reported

NPI registry status

Active

Issued 05/16/2006

NPI 1598717779

Primary specialty

Pediatric Orthopaedic Surgery Physician

Niche

613 US NPIs in this specialty

Medicare Part D claims

15 88% vs specialty avg

2023 prescription claims

Specialty avg: 128

Specialty distribution in Connecticut

How Pediatric Orthopaedic Surgery Physician compares to other specialties among Connecticut providers

Connecticut providers

Pediatric Orthopaedic Surgery Physician share within Connecticut

1. Pediatric Orthopaedic Surgery Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pediatric Orthopaedic Surgery Physician share within Connecticut

Specialty board-certification context

Estimated specialty board-certified rate — Pediatric Orthopaedic Surgery Physician (ABMS / AOA reference)

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

Est. board-certified rate (Pediatric Orthopaedic Surgery Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Pediatric Orthopaedic Surgery 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).

MARK LEE, M.D. appears in the CMS NPPES registry as a Pediatric Orthopaedic Surgery Physician provider holding M.D. credentials at 282 WASHINGTON ST, HARTFORD, CT, 06106, with a listed phone of (860) 545-8643. NPI 1598717779 was issued on 05/16/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LEE 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 15 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $133 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.

Pediatric Orthopaedic Surgery Physician is a narrow specialty nationwide, with 613 enrolled providers across 49 states and an average of 128 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

282 WASHINGTON ST
HARTFORD, CT 06106

Provider Details

NPI 1598717779
Specialty Pediatric Orthopaedic Surgery Physician
Credentials M.D.
Gender Male
NPI Issued 05/16/2006

Hospital and facility affiliations

Facilities where MARK LEE, 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.

CONNECTICUT CHILDREN'S SPECIALTY GROUP, INC
HARTFORD, CT

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

Medicare Part D Prescribing Data

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

15
Total Claims
$133
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
15
Total Day Supply
384
Brand Drug Cost
$0
Generic Drug Cost
$133

Patient Demographics

Average Patient Age
28.5 years
Avg HCC Risk Score
0.59

Pediatric Orthopaedic Surgery Physician Overview

How MARK LEE, M.D. fits within the Pediatric Orthopaedic Surgery Physician landscape nationally.

613
Pediatric Orthopaedic Surgery Physician Providers in US
49
States with Pediatric Orthopaedic Surgery Physician
128
Avg Claims per Provider

MARK LEE, M.D.'s 15 claims are below the specialty average of 128.

Nearby Pediatric Orthopaedic Surgery Physician Providers in Connecticut

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

Compare Pediatric Orthopaedic Surgery Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARK LEE, M.D.'s specialty?
MARK LEE, M.D. specializes in Pediatric Orthopaedic Surgery Physician and practices in HARTFORD, Connecticut. Credentials: M.D..
How much does MARK LEE, M.D. prescribe under Medicare Part D?
In 2023, MARK LEE, M.D. wrote 15 Medicare Part D claims totaling $133 in drug costs for N/A beneficiaries.
Where is MARK LEE, M.D. located?
MARK LEE, M.D. is located at 282 WASHINGTON ST, HARTFORD, CT, 06106. Phone: (860) 545-8643.
What is MARK LEE, M.D.'s NPI number?
MARK LEE, M.D.'s National Provider Identifier (NPI) is 1598717779, issued on 05/16/2006.
How many Pediatric Orthopaedic Surgery Physician providers are there in the US?
There are 613 Pediatric Orthopaedic Surgery Physician providers across 49 states in the US. The average Pediatric Orthopaedic Surgery Physician provider writes 128 Medicare Part D claims per year.
Does MARK LEE, M.D. accept Medicare?
MARK LEE, M.D. appears in CMS Medicare data with 15 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 MARK LEE, M.D.'s credentials?
MARK LEE, M.D.'s NPI is 1598717779 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