Active NPI 1043289622 Individual Practitioner Male Practitioner

Dr. Michael Peter Zacks , MD

Internal Medicine • Newton, MA

Professional Overview & Biography Verified Profile Summary

Dr. Michael Zacks, MD is a registered healthcare professional specializing in Internal Medicine in Newton, MA. Practice services are available at 2014 WASHINGTON STREET under active NPI credentials.

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

Practice Location & Contact Primary Location

Practice Address

2014 Washington Street
Newton Wellesley Hospital

Newton, MA 02462

Telephone 6172436896

Fax 6172435148

Associated Practice Facility / Clinic

🏢 Mass General Brigham Medical Group Suburban Massachusetts Inc Facility NPI 1538191218

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Newton, MA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.9 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

85 Specialists

Practicing in Newton, MA (7127 Statewide)

Telehealth Adoption Rate

25.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

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	186	106	$297.31	$84.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	76	60	$424.53	$126.53
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	25	$158.07	$52.73
99238 Hospital discharge day management, 30 minutes or less	46	46	$303.80	$86.74
99239 Hospital discharge day management, more than 30 minutes	11	11	$445.64	$122.66

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	223	110	$285.10	$76.27
99238 Hospital discharge day management, 30 minutes or less	50	50	$289.40	$77.82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	23	$409.67	$109.61
99225 Subsequent observation care, typically 25 minutes per day	21	17	$283.48	$75.93
99217 Hospital observation care on day of discharge	17	17	$289.06	$77.55

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	201	98	$289.81	$77.74
99238 Hospital discharge day management, 30 minutes or less	61	61	$295.74	$78.88
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	27	$419.18	$111.74
99225 Subsequent observation care, typically 25 minutes per day	14	14	$292.29	$77.74
99217 Hospital observation care on day of discharge	12	12	$295.00	$78.88

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	144	69	$292.25	$78.95
99238 Hospital discharge day management, 30 minutes or less	38	37	$296.71	$80.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	13	$416.43	$113.50
99217 Hospital observation care on day of discharge	12	12	$297.00	$80.19

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	139	80	$286.55	$78.14
99238 Hospital discharge day management, 30 minutes or less	49	49	$290.10	$79.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	29	$411.85	$111.57
99217 Hospital observation care on day of discharge	15	15	$290.67	$79.46
99219 Hospital observation care, typically 50 minutes	13	13	$538.15	$146.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$541.18	$147.14

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	126	76	$277.21	$78.42
99238 Hospital discharge day management, 30 minutes or less	51	49	$281.94	$78.24
99217 Hospital observation care on day of discharge	41	41	$282.10	$79.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	37	29	$400.11	$112.27
99219 Hospital observation care, typically 50 minutes	15	15	$521.27	$146.56
99225 Subsequent observation care, typically 25 minutes per day	14	14	$280.29	$78.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$524.23	$147.29
99239 Hospital discharge day management, more than 30 minutes	12	12	$416.08	$117.06

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	147	79	$270.82	$76.22
99238 Hospital discharge day management, 30 minutes or less	48	48	$276.13	$77.23
99217 Hospital observation care on day of discharge	38	38	$275.29	$77.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	25	$390.74	$110.05
99219 Hospital observation care, typically 50 minutes	13	13	$507.92	$143.30
99239 Hospital discharge day management, more than 30 minutes	11	11	$406.82	$114.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$516.45	$144.12

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 216739

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.

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. David Wachs , MD

Internal Medicine

NPI 1073571436

Doctor of Medicine (M.D.)

Dr. Jeffrey Rothschild , MD

Internal Medicine - Critical Care Medicine

NPI 1093773947

Doctor of Medicine (M.D.)

Dr. Perry An , MD

Internal Medicine

NPI 1508992934

Doctor of Medicine (M.D.)

Dr. Hacho Bohossian , MD

Hospitalist

NPI 1528020518

Doctor of Medicine (M.D.)

Dhalia Boumalhab , PA-C

Physician Assistant

NPI 1568736197

Physician Assistant (Certified)

Dr. Kosha Thakore , MD

Internal Medicine

NPI 1588771679

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 16, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location October 16, 2009

Registered at 2014 WASHINGTON STREET, NEWTON WELLESLEY HOSPITAL, NEWTON, MA 02462 (Tel: 6172436896)

📍

Updated Business Mailing Address October 16, 2009

Registered at 83 SPRING STREET, SHREWSBURY, MA 01545 (Tel: 5088458121)

👤

Provider Name / Credentials Updated October 16, 2009

Recorded as MICHAEL ZACKS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 16, 2009

Internal Medicine (License #216739 in MA)

🟢

Initial NPI Registration & Enumeration March 16, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Michael Zacks. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1043289622

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 16, 2006

Last Update: October 16, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

83 Spring Street

Shrewsbury, MA 01545

Phone: 5088458121

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.