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Active NPI 1366024523 Individual Practitioner Male Practitioner

Stephen Patrick Markowski , AGPCNP

Nurse Practitioner • Waltham, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Stephen Markowski, AGPCNP is a certified Nurse Practitioner practicing in Waltham, MA. With approximately 6 years of clinical experience since completing medical education in 2020, Stephen Markowski delivers high-quality medical care to the local community at 281 WINTER ST FL 2.

Stephen Markowski is affiliated with Heart Center Of Metrowest, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine ekg using at least 12 leads including interpretation and report, established patient outpatient office visit, anticoagulant management of patient taking warfarin. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

281 Winter St Fl 2

Waltham, MA 024518740

Telephone 7813732940
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Waltham, MA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -6.9 yrs vs City Avg
City Avg: 12.9 Yrs
State Avg: 12.5 Yrs
Regional Practice Density
25 Specialists

Practicing in Waltham, MA (3545 Statewide)

Telehealth Adoption Rate
24.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
69.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Markowski (6 Years) 6 Yrs
Waltham Specialty Average (12.9 Years) 12.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
93000 Routine ekg using at least 12 leads including interpretation and report
333 285 $51.08 $13.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
306 262 $381.07 $118.61
93793 Anticoagulant management of patient taking warfarin
77 54 $40.00 $10.48
99213 Established patient office or other outpatient visit, typically 15 minutes
60 56 $269.27 $84.24
85610 Blood test, clotting time
40 31 $10.61 $4.20

Medical Specialties & State Licenses

CMS Verified: 2026-05-12
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MA RN2371065

(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.

Nurse Practitioner - Primary Care

NUCC Taxonomy Code: 363LP2300X

State License CA 95015353

Definition to come...

Registered Nurse

NUCC Taxonomy Code: 163W00000X

State License MA RN2371065

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Hospital & Practice Group Affiliations

Heart Center Of Metrowest, Inc.

99 Lincoln St, Framingham, MA 017026327

Phone: 5088754811

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Carlos Bazoberry , MD

Anesthesiology - Pain Medicine

NPI 1013963271

Doctor of Medicine (M.D.)

NPI 1760440606

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Practice Location September 05, 2025

Registered at 281 WINTER ST FL 2, WALTHAM, MA 024518740 (Tel: 7813732940)

📍
Updated Business Mailing Address September 05, 2025

Registered at 281 WINTER ST FL 2, WALTHAM, MA 024518740 (Tel: 7813732940)

📍
Updated Practice Location May 25, 2023

Registered at 99 LINCOLN ST, FRAMINGHAM, MA 017026327 (Tel: 5088754811)

📍
Updated Business Mailing Address May 25, 2023

Registered at 99 LINCOLN ST, FRAMINGHAM, MA 017026327 (Tel: 5088754811)

📍
Updated Business Mailing Address April 06, 2022

Registered at 255 N WHITE RD STE 200B, SAN JOSE, CA 951271966 (Tel: 8883574188)

📍
Updated Practice Location February 17, 2022

Registered at 4855 ATHERTON AVE, SAN JOSE, CA 951301026 (Tel: 4089632400)

NPI Profile Active April 26, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location April 26, 2021

Registered at 191 VISTA DEL MONTE, LOS GATOS, CA 950306336 (Tel: 4084388511)

📍
Updated Business Mailing Address April 26, 2021

Registered at 191 VISTA DEL MONTE, LOS GATOS, CA 950306336 (Tel: 4084388511)

👤
Provider Name / Credentials Updated April 26, 2021

Recorded as STEPHEN MARKOWSKI, AGPCNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 26, 2021

Nurse Practitioner (License #95015353 in CA)

🟢
Initial NPI Registration & Enumeration April 26, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1366024523
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 26, 2021
Last Update: May 12, 2026
Sole Proprietor: Yes

Mailing Address

281 Winter St Fl 2

Waltham, MA 024518740

Phone: 7813732940

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.