Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1053842773 Individual Practitioner Male Practitioner

Dr. Gregory Lines , MD

Internal Medicine • Cambridge, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Lines, MD is a certified Internal Medicine practicing in Cambridge, MA. With approximately 9 years of clinical experience since completing medical education in 2017, Dr. Lines delivers high-quality medical care to the local community at 1493 CAMBRIDGE ST.

Dr. Lines is affiliated with Cambridge Public Health Commission and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1493 Cambridge St

Cambridge, MA 021391047

Telephone 6176651000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cambridge, MA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -13.6 yrs vs City Avg
City Avg: 22.6 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
309 Specialists

Practicing in Cambridge, MA (7127 Statewide)

Telehealth Adoption Rate
23.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
58.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lines (9 Years) 9 Yrs
Cambridge Specialty Average (22.6 Years) 22.6 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
117 57 $191.66 $83.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
46 44 $503.00 $184.78
99239 Hospital discharge day management, more than 30 minutes
33 32 $293.03 $123.12
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
22 12 $259.00 $126.82
99291 Critical care, first 30-74 minutes
15 13 $551.00 $225.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
13 13 $339.00 $138.82
99238 Hospital discharge day management, 30 minutes or less
13 13 $183.00 $87.60

Medical Specialties & State Licenses

CMS Verified: 2022-06-09
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 282252

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Cambridge Public Health Commission

1493 Cambridge St, Cambridge, MA 021391047

Phone: 6176651000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Zachary Oliff , DO

Emergency Medicine

NPI 1003300492

Doctor of Osteopathic Medicine (D.O.)

Jennifer Denizard , RN

Registered Nurse

NPI 1003324328

Registered Nurse

Angela De Silva

Registered Nurse - Ambulatory Care

NPI 1003522863
Casey Tran

Occupational Therapist

NPI 1003631508
NPI 1003681735
Ellie Glasgow , PA STUDENT

Physician Assistant

NPI 1013536812

PASTUDENT

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2022

Internal Medicine (License #282252 in MA)

NPI Profile Active March 23, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location March 23, 2017

Registered at 1493 CAMBRIDGE ST, CAMBRIDGE, MA 021391047 (Tel: 6176651000)

📍
Updated Business Mailing Address March 23, 2017

Registered at 1493 CAMBRIDGE ST, CAMBRIDGE, MA 021391047 (Tel: 6176651000)

👤
Provider Name / Credentials Updated March 23, 2017

Recorded as GREGORY LINES, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 23, 2017

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: 1053842773
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 23, 2017
Last Update: June 09, 2022
Sole Proprietor: No

Mailing Address

1493 Cambridge St

Cambridge, MA 021391047

Phone: 6176651000

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.