2026 NPPES data Dentist NPI 1669581369 DMD
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PETER GLETZAKOS, DMD

Dentist in PORTLAND, 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
199
Medicare Part D claims · 129 beneficiaries · Dentist avg: 87

What the federal data shows

PETER GLETZAKOS, DMD filed 199 Medicare Part D claims in 2023 as a Dentist in PORTLAND, Connecticut.

199
Part D claims, 2023

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.

PETER GLETZAKOS, DMD's Medicare Part D volume vs every U.S. prescriber

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

199 35th percentile higher than 35% 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

What does the federal data show about PETER GLETZAKOS, DMD?

Quality data not reported

NPI registry status

Active

Issued 08/29/2006

NPI 1669581369

Primary specialty

Dentist

High-volume

93,789 US NPIs in this specialty

Medicare Part D claims

199 129% vs specialty avg

2023 prescription claims

Specialty avg: 87

Specialty distribution in Connecticut

How Dentist compares to other specialties among Connecticut providers

Connecticut providers

Dentist share within Connecticut

1. Dentist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Dentist share within Connecticut

Specialty board-certification context

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

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

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

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

PETER GLETZAKOS, DMD is a Dentist provider practicing in PORTLAND, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: DMD. NPI: 1669581369. 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.

PETER GLETZAKOS, DMD appears in the CMS NPPES registry as a Dentist provider holding DMD credentials at 595 MAIN STREET, PORTLAND, CT, 06480, with a listed phone of (860) 342-4502. NPI 1669581369 was issued on 08/29/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GLETZAKOS 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 199 prescription claims written by this provider, covering 129 Medicare beneficiaries and totaling roughly $2K in drug spend, with an opioid prescribing rate of 11.1%. 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.

Dentist is a high-volume specialty nationwide, with 93,789 enrolled providers across 56 states and an average of 87 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

595 MAIN STREET
PORTLAND, CT 06480

Provider Details

NPI 1669581369
Specialty Dentist
Credentials DMD
Gender Male
NPI Issued 08/29/2006

Medicare Part D Prescribing Data

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

199
Total Claims
$2K
Total Drug Cost
129
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
211
Total Day Supply
2,235
Brand Drug Cost
$0
Generic Drug Cost
$1K
Opioid Claims
22 (11.1% rate)
Antibiotic Claims
150

Patient Demographics

Average Patient Age
73.4 years
Avg HCC Risk Score
1.05
Gender Split
56% female / 44% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Amoxicillin
54
Penicillin V Potassium
33
Azithromycin
23
Clindamycin Hcl
19
Acetaminophen-Codeine
Acetaminophen With Codeine
13
Cephalexin
12
Sodium Fluoride
Fluoride (Sodium)
11

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

Dentist Overview

How PETER GLETZAKOS, DMD fits within the Dentist landscape nationally.

93,789
Dentist Providers in US
56
States with Dentist
87
Avg Claims per Provider

PETER GLETZAKOS, DMD's 199 claims are above the specialty average of 87.

Nearby Dentist Providers in Connecticut

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

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

Frequently Asked Questions

What is PETER GLETZAKOS, DMD's specialty?
PETER GLETZAKOS, DMD specializes in Dentist and practices in PORTLAND, Connecticut. Credentials: DMD.
How much does PETER GLETZAKOS, DMD prescribe under Medicare Part D?
In 2023, PETER GLETZAKOS, DMD wrote 199 Medicare Part D claims totaling $2K in drug costs for 129 beneficiaries.
Where is PETER GLETZAKOS, DMD located?
PETER GLETZAKOS, DMD is located at 595 MAIN STREET, PORTLAND, CT, 06480. Phone: (860) 342-4502.
What is PETER GLETZAKOS, DMD's NPI number?
PETER GLETZAKOS, DMD's National Provider Identifier (NPI) is 1669581369, issued on 08/29/2006.
Does PETER GLETZAKOS, DMD prescribe opioids?
Yes, PETER GLETZAKOS, DMD had 22 opioid claims in 2023 with an opioid prescribing rate of 11.1%.
How many Dentist providers are there in the US?
There are 93,789 Dentist providers across 56 states in the US. The average Dentist provider writes 87 Medicare Part D claims per year.
What drugs does PETER GLETZAKOS, DMD prescribe most often?
Based on 2023 Medicare Part D data, PETER GLETZAKOS, DMD's most frequently prescribed drugs include Amoxicillin, Penicillin V Potassium, Azithromycin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does PETER GLETZAKOS, DMD accept Medicare?
PETER GLETZAKOS, DMD appears in CMS Medicare data with 199 Part D claims and 129 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify PETER GLETZAKOS, DMD's credentials?
PETER GLETZAKOS, DMD's NPI is 1669581369 with credentials DMD. 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