John N Pliakas , NP
Nurse Practitioner β’ Worcester, MA
119 Belmont St
Worcester, MA 016052903
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on July 19, 2006; this date does not establish years in practice.
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Published CMS data list 123 Medicare Part D prescriptions, including refills, in 2015.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2015. Published rows only; this is not a quality measure.
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Published Part D records, 2015:
- Oxycodone Hcl β 46 prescription fills, including refills.
- Diazepam β 20 prescription fills, including refills.
- Tizanidine Hcl β 18 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2015. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 6 records in the table Β· Guide: How to read Medicare Part D prescriber data
Practice Location & Contact Primary Location
119 Belmont St
Worcester, MA 016052903
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Worcester, MA. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
123 standardized 30-day fills in 2015
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$3,501 in 2015
The total cost of these prescriptions in 2015, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2015.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $121.60 in 2025
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists John Pliakas as eligible to order or refer durable medical equipment (DME) for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Worcester and Massachusetts
Billing and prescribing volume is not a quality rating.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for John Pliakas are from 2015.
499 active clinicians are listed under Nurse Practitioner with a practice address in Worcester, MA (3,483 in Massachusetts).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Worcester
17.8% of these 499 clinicians have the CMS telehealth indicator.
57.7% of these 499 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
CMS data for Part D prescriptions are available for 2015 only.
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30-day fills
CMS data for 30-day fills are available for 2015 only.
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Part D drug cost
CMS data for Part D drug cost are available for 2015 only.
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $32.23 in 2023 to $121.60 in 2025.
- 2023: $32.23
- 2025: $121.60
Sources: CMS Medicare Part D Prescribers (2015), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $121.60.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. |
Food and Beverage
In-kind items and services
|
Kerendia | General | $121.60 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2015.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Oxycodone Hcl | Oxycodone Hcl | 46 | 1,170 | $1,748.72 | 33 |
| Diazepam | Diazepam | 20 | 488 | $71.16 | 12 |
| Tizanidine Hcl | Tizanidine Hcl | 18 | 456 | $314.05 | 14 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 15 | 404 | $421.95 | 12 |
| Gabapentin | Gabapentin | 12 | 320 | $198.08 | β |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 12 | 276 | $746.60 | β |
Source: CMS Part D by Provider and Drug, 2015; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-01-09NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
55 Lake Ave N
Worcester, MA 016550002
Phone: 5083348515
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 119 BELMONT ST, WORCESTER, MA 016052903 (Tel: 5083348515)
Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)
Nurse Practitioner (license number reported to NPPES: MA RN262905)
NPI status registered as active in NPPES database
Registered at 55 LAKE AVE N, DEPARTMENT OF SURGERY, WORCESTER, MA 016550002 (Tel: 5083341000)
Registered at 111 BREWSTER ST, PAWTUCKET, RI 028604400 (Tel: 4017292624)
Recorded as JOHN PLIAKAS, NP
Nurse Practitioner (license number reported to NPPES: MA 262905)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Worcester
- Kathleen Juchno, NP
- Anthony Booker-Wilkinson, NP
- Jazzlynn Bennett, ACNPC-AG
- Ashley Mcpherson Ivester, NP
- Diane St. Onge, NP
- Reeti Sheoran, NP
Mailing Address
Po Box 415348
Boston, MA 022415348
Phone: 8002258885