2026 NPPES data Orthopaedic Surgery Physician NPI 1164429619 M.D.
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IGNATIUS KOMNINAKAS, M.D.

Orthopaedic Surgery Physician in SHELTON, 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
554
Medicare Part D claims · 264 beneficiaries · Orthopaedic Surgery Physician avg: 324
What the federal data reveals: IGNATIUS KOMNINAKAS, M.D. is a Orthopaedic Surgery Physician ([object Object]) practicing in SHELTON, Connecticut with a Medicare Part D prescribing footprint of 554 claims across 264 beneficiaries .

What stands out: IGNATIUS KOMNINAKAS, M.D. filed 554 Medicare Part D claims in 2023 across SHELTON, Connecticut. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

IGNATIUS KOMNINAKAS, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

IGNATIUS KOMNINAKAS, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 06/30/2005

NPI 1164429619

Primary specialty

Orthopaedic Surgery Physician

Mid-sized

25,781 US NPIs in this specialty

Medicare Part D claims

554 71% vs specialty avg

2023 prescription claims

Specialty avg: 324

Specialty distribution in Connecticut

How Orthopaedic Surgery Physician compares to other specialties among Connecticut providers

Connecticut providers

Orthopaedic Surgery Physician share within Connecticut

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

Specialty board-certification context

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

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

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

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

IGNATIUS KOMNINAKAS, M.D. is a Orthopaedic Surgery Physician provider practicing in SHELTON, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1164429619. 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.

IGNATIUS KOMNINAKAS, M.D. appears in the CMS NPPES registry as a Orthopaedic Surgery Physician provider holding M.D. credentials at 2 TRAP FALLS RD STE 404, SHELTON, CT, 06484, with a listed phone of (203) 734-7900. NPI 1164429619 was issued on 06/30/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KOMNINAKAS 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 554 prescription claims written by this provider, covering 264 Medicare beneficiaries and totaling roughly $7K in drug spend, with an opioid prescribing rate of 14.1%. 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.

Orthopaedic Surgery Physician is a mid-sized specialty nationwide, with 25,781 enrolled providers across 56 states and an average of 324 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

2 TRAP FALLS RD STE 404
SHELTON, CT 06484

Provider Details

NPI 1164429619
Specialty Orthopaedic Surgery Physician
Credentials M.D.
Gender Male
NPI Issued 06/30/2005

Hospital and facility affiliations

Facilities where IGNATIUS KOMNINAKAS, 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.

REHABILITATION ASSOCIATES INC
FAIRFIELD, CT
VALLEY ORTHOPAEDIC SPECIALISTS, LLC.
OXFORD, 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.

554
Total Claims
$7K
Total Drug Cost
264
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
588
Total Day Supply
11,859
Generic Drug Cost
$4K
Opioid Claims
78 (14.1% rate)
Antibiotic Claims
87

Patient Demographics

Average Patient Age
73.3 years
Avg HCC Risk Score
1.03
Gender Split
68% female / 32% male
Age Distribution
<65: 21, 65-74: 125, 75-84: 95, 85+: 23

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Meloxicam
121
Cyclobenzaprine Hcl
92
Diclofenac Sodium
80
Amoxicillin
59
Celecoxib
47
Tramadol Hcl
45
Methylprednisolone
29
Oxycodone Hcl
16
Cephalexin
15

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

Orthopaedic Surgery Physician Overview

How IGNATIUS KOMNINAKAS, M.D. fits within the Orthopaedic Surgery Physician landscape nationally.

25,781
Orthopaedic Surgery Physician Providers in US
56
States with Orthopaedic Surgery Physician
324
Avg Claims per Provider

IGNATIUS KOMNINAKAS, M.D.'s 554 claims are above the specialty average of 324.

Nearby Orthopaedic Surgery Physician Providers in Connecticut

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

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

Frequently Asked Questions

What is IGNATIUS KOMNINAKAS, M.D.'s specialty?
IGNATIUS KOMNINAKAS, M.D. specializes in Orthopaedic Surgery Physician and practices in SHELTON, Connecticut. Credentials: M.D..
How much does IGNATIUS KOMNINAKAS, M.D. prescribe under Medicare Part D?
In 2023, IGNATIUS KOMNINAKAS, M.D. wrote 554 Medicare Part D claims totaling $7K in drug costs for 264 beneficiaries.
Where is IGNATIUS KOMNINAKAS, M.D. located?
IGNATIUS KOMNINAKAS, M.D. is located at 2 TRAP FALLS RD STE 404, SHELTON, CT, 06484. Phone: (203) 734-7900.
What is IGNATIUS KOMNINAKAS, M.D.'s NPI number?
IGNATIUS KOMNINAKAS, M.D.'s National Provider Identifier (NPI) is 1164429619, issued on 06/30/2005.
Does IGNATIUS KOMNINAKAS, M.D. prescribe opioids?
Yes, IGNATIUS KOMNINAKAS, M.D. had 78 opioid claims in 2023 with an opioid prescribing rate of 14.1%.
How many Orthopaedic Surgery Physician providers are there in the US?
There are 25,781 Orthopaedic Surgery Physician providers across 56 states in the US. The average Orthopaedic Surgery Physician provider writes 324 Medicare Part D claims per year.
What drugs does IGNATIUS KOMNINAKAS, M.D. prescribe most often?
Based on 2023 Medicare Part D data, IGNATIUS KOMNINAKAS, M.D.'s most frequently prescribed drugs include Meloxicam, Cyclobenzaprine Hcl, Diclofenac Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does IGNATIUS KOMNINAKAS, M.D. accept Medicare?
IGNATIUS KOMNINAKAS, M.D. appears in CMS Medicare data with 554 Part D claims and 264 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify IGNATIUS KOMNINAKAS, M.D.'s credentials?
IGNATIUS KOMNINAKAS, M.D.'s NPI is 1164429619 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