Active NPI 1487628418 Individual Practitioner Male Practitioner

Dr. Mark Philip Eisenberg , MD

Internal Medicine • Fruit St, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mark Eisenberg, MD is a certified Internal Medicine practicing in Fruit St, MA. With approximately 46 years of clinical experience since graduating from Harvard Medical School in 1980, Dr. Eisenberg delivers high-quality medical care to the local community at 15 FRUIT ST.

Dr. Eisenberg maintains professional affiliations with Rosebud Indian Health Service, Massachusetts General Physicians Organization Inc, The General Hospital Corporation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

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. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

15 Fruit St
Mgh

Fruit St, MA 021143026

Telephone 6177248135

Fax 6177248010

Associated Practice Facility / Clinic

🏢 Massachusetts General Physicians Organization Inc Facility NPI 1801874573

Medicare Profile & Education

Medical School

Harvard Medical School

Graduation Year

1980

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Fruit St, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

46 Yrs Matches City Avg

City Avg: 46.0 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

1 Specialists

Practicing in Fruit St, MA (7127 Statewide)

Telehealth Adoption Rate

100.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

76.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Eisenberg (46 Years) 46 Yrs

Fruit St Specialty Average (46.0 Years) 46.0 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	93	31	$332.26	$82.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$805.00	$181.17
99238 Hospital discharge day management, 30 minutes or less	15	15	$342.13	$85.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$396.55	$97.32

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	65	24	$302.92	$84.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	31	$326.22	$96.74
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$221.75	$65.33
99238 Hospital discharge day management, 30 minutes or less	11	11	$311.36	$86.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$805.00	$184.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	166	124	$396.00	$106.09
99213 Established patient office or other outpatient visit, typically 15 minutes	81	75	$269.57	$72.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	63	16	$287.89	$76.24
99213 Established patient office or other outpatient visit, typically 15 minutes	22	21	$196.54	$66.33
99443 Telephone medical discussion with physician, 21-30 minutes	19	18	$404.11	$108.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$310.20	$97.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	236	157	$342.94	$108.44
99213 Established patient office or other outpatient visit, typically 15 minutes	153	129	$236.25	$73.29
99443 Telephone medical discussion with physician, 21-30 minutes	38	31	$331.87	$109.11
99442 Telephone medical discussion with physician, 11-20 minutes	16	14	$212.75	$73.90
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	12	12	$253.00	$59.99
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$519.50	$160.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	197	141	$320.07	$86.55
99213 Established patient office or other outpatient visit, typically 15 minutes	126	107	$223.48	$55.96
99442 Telephone medical discussion with physician, 11-20 minutes	102	73	$116.69	$56.02
99443 Telephone medical discussion with physician, 21-30 minutes	59	48	$167.32	$86.76
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	25	21	$253.00	$60.23
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	24	14	$195.00	$46.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	473	224	$314.66	$84.80
99213 Established patient office or other outpatient visit, typically 15 minutes	168	130	$214.93	$54.93
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	37	28	$253.00	$59.09
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	23	19	$195.00	$46.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	449	204	$308.89	$84.27
99213 Established patient office or other outpatient visit, typically 15 minutes	139	109	$209.35	$55.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	64	25	$280.78	$78.44
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	32	27	$253.00	$59.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$787.00	$218.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	481	230	$291.20	$82.69
99213 Established patient office or other outpatient visit, typically 15 minutes	122	96	$206.24	$54.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	22	$270.14	$76.25
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	34	29	$253.00	$58.84
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	27	11	$195.00	$45.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	20	$413.29	$117.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$321.12	$79.34

Medical Specialties & State Licenses

CMS Verified: 2022-09-23

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 54761

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.

Internal Medicine - Addiction Medicine

NUCC Taxonomy Code: 207RA0401X

State License MA 54761

An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.

Internal Medicine - Infectious Disease

NUCC Taxonomy Code: 207RI0200X

State License MA 54761

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3013103 (MA)

Commercial Insurance / Payer ID Tufts Health Plan

054761 (MA)

Commercial Insurance / Payer ID Bcbs Ma

J05654 (MA)

Hospital & Practice Group Affiliations

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Rosebud Indian Health Service

400 Soldier Creek Rd, Rosebud, SD 57570

The General Hospital Corporation

73 High St, Charlestown, MA 021293026

Phone: 6177248167

Rosebud Indian Health Service

Po Box, Rosebud, SD 57570

The General Hospital Corporation

55 Fruit St, Boston, MA 021142621

Phone: 6177262000

Rosebud Indian Health Service

400 Soldier Creek Dr, Rosebud, SD 575708502

Phone: 6057470432

Secondary Practice Locations

780 Albany St

Boston, MA 021182755

Phone: 8576541000

Practice Associates & Co-Workers

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

34 Associated Practitioners

Joseph Vafis

Social Worker - Clinical

NPI 1033000310

Dr. Erin Mahoney Briones , MD

Pediatrics

NPI 1033314646

Doctor of Medicine (M.D.)

Eileen Mcadams , NP

Nurse Practitioner - Family

NPI 1063602183

Nurse Practitioner

Chelsea Atzinger

Social Worker - Clinical

NPI 1093452187

Madeline Spinosa , RNCS

Clinical Nurse Specialist

NPI 1124103221

Dr. Rajani Larocca , MD

Internal Medicine

NPI 1144204884

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location September 23, 2022

Registered at 15 FRUIT ST, MGH, FRUIT ST, MA 021143026 (Tel: 6177248135)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 23, 2022

Internal Medicine (License #54761 in MA)

✅

NPI Profile Active February 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 14, 2014

Registered at 73 HIGH ST, CHARLESTOWN HEALTHCARE CENTER, CHARLESTOWN, MA 021293026 (Tel: 6177248135)

📍

Updated Business Mailing Address February 14, 2014

Registered at PO BOX 9142, MASS GENERAL PHYSICIAN ORGANIZATION, CHARLESTOWN, MA 021299142 (Tel: 6177248135)

👤

Provider Name / Credentials Updated February 14, 2014

Recorded as MARK EISENBERG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 14, 2014

Internal Medicine (License #54761 in MA)

🟢

Initial NPI Registration & Enumeration February 15, 2006

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: 1487628418

Entity Type:

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

Enumeration Date: February 15, 2006

Last Update: September 23, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 9142, Mass General Physician Organization

Charlestown, MA 021299142

Phone: 6177248135

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.