Active NPI 1194726471 Individual Practitioner Male Practitioner

Dr. Mark J Messenger , MD

Internal Medicine • Danvers, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Messenger, MD is a certified Internal Medicine practicing in Danvers, MA. With approximately 47 years of clinical experience since graduating from Icahn School Of Medicine At Mount Sinai in 1979, Dr. Messenger delivers high-quality medical care to the local community at 75 SYLVAN ST STE B102.

Dr. Messenger is affiliated with Vantage Healthcare Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least, residence visit for established patient with low level of medical decision making, per day, if using time, at least, new patient home visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

75 Sylvan St Ste B102

Danvers, MA 019232764

Telephone 9787747566

Fax 9782239953

Associated Practice Facility / Clinic

🏢 Care Dimensions, Inc. Facility NPI 1538712781

Medicare Profile & Education

Medical School

Icahn School Of Medicine At Mount Sinai

Graduation Year

1979

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Danvers, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

47 Yrs +20.5 yrs vs City Avg

City Avg: 26.5 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

29 Specialists

Practicing in Danvers, MA (7127 Statewide)

Telehealth Adoption Rate

72.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Messenger (47 Years) 47 Yrs

Danvers Specialty Average (26.5 Years) 26.5 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
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	300	112	$316.00	$128.98
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	252	112	$204.60	$77.41
99344 New patient home visit, typically 1 hour	30	30	$354.00	$142.94
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	17	16	$402.06	$186.42
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	17	17	$473.53	$202.31
99495 Transitional care management services for problem of at least moderate complexity	13	13	$309.23	$207.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	327	183	$150.00	$77.27
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	169	121	$200.00	$129.16
99344 New patient home visit, typically 1 hour	78	78	$250.00	$145.88
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	39	39	$300.00	$204.50
99495 Transitional care management services for problem of at least moderate complexity	33	29	$225.00	$210.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99335 Established patient assisted living visit, typically 25 minutes	225	111	$150.00	$97.25
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	156	85	$150.00	$84.96
99336 Established patient assisted living visit, typically 40 minutes	85	58	$225.00	$137.59
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	76	55	$200.00	$131.28
99344 New patient home visit, typically 1 hour	46	46	$250.00	$183.62
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	38	38	$250.00	$188.23
99326 New patient assisted living visit, typically 45 minutes	30	30	$200.00	$139.21
99343 New patient home visit, typically 45 minutes	20	20	$200.00	$127.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	274	125	$150.00	$86.39
99335 Established patient assisted living visit, typically 25 minutes	242	119	$150.00	$98.57
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	146	95	$200.00	$133.26
99336 Established patient assisted living visit, typically 40 minutes	111	70	$225.00	$139.49
0011A Adm sarscov2 100mcg/0.5ml1st	107	106	$28.13	$21.01
0012A Adm sarscov2 100mcg/0.5ml2nd	101	101	$50.00	$40.07
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	78	78	$250.00	$191.20
99344 New patient home visit, typically 1 hour	76	76	$250.00	$186.41
G0008 Administration of influenza virus vaccine	47	47	$25.00	$19.49
90662 Influenza vaccine split virus, preservative free	43	43	$90.00	$65.26
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	34	34	$150.00	$125.92
G0009 Administration of pneumococcal vaccine	33	33	$25.00	$19.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	265	138	$200.00	$136.24
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	249	124	$150.00	$88.86
99335 Established patient assisted living visit, typically 25 minutes	221	118	$150.00	$100.96
99336 Established patient assisted living visit, typically 40 minutes	146	93	$225.00	$142.32
99344 New patient home visit, typically 1 hour	118	118	$250.00	$192.93
G0008 Administration of influenza virus vaccine	71	71	$25.00	$19.03
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	45	45	$250.00	$196.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	276	138	$165.16	$134.01
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	267	127	$111.65	$87.28
99336 Established patient assisted living visit, typically 40 minutes	252	132	$179.38	$140.49
93793 Anticoagulant management of patient taking warfarin	238	29	$20.00	$12.60
99335 Established patient assisted living visit, typically 25 minutes	233	142	$150.00	$98.70
99344 New patient home visit, typically 1 hour	68	68	$231.25	$187.08
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	59	59	$227.97	$193.50
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	51	27	$140.00	$71.60
99497 Advance care planning, first 30 minutes	26	13	$125.00	$88.29
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	21	13	$200.48	$185.84
99343 New patient home visit, typically 45 minutes	20	20	$162.50	$135.25
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	11	11	$250.00	$229.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	319	141	$110.00	$87.60
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	257	149	$140.00	$71.25
93793 Anticoagulant management of patient taking warfarin	250	26	$20.00	$12.55
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	249	111	$160.06	$133.90
99335 Established patient assisted living visit, typically 25 minutes	239	140	$150.00	$98.56
99336 Established patient assisted living visit, typically 40 minutes	238	115	$170.00	$140.76
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	204	108	$169.90	$95.30
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	157	145	$195.00	$135.58
99344 New patient home visit, typically 1 hour	55	55	$225.00	$190.01
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	51	51	$225.00	$193.50
99343 New patient home visit, typically 45 minutes	23	23	$150.00	$135.73
99326 New patient assisted living visit, typically 45 minutes	16	16	$150.00	$144.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	387	213	$140.14	$68.25
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	334	179	$170.00	$90.07
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	319	282	$195.00	$128.13
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	276	109	$160.43	$126.90
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	224	110	$110.00	$83.24
99336 Established patient assisted living visit, typically 40 minutes	213	116	$170.00	$132.95
99335 Established patient assisted living visit, typically 25 minutes	172	120	$150.00	$93.79
99327 New patient custodial care facility, group care, or assisted living visit, typically 1 hour	76	76	$225.00	$182.88
99344 New patient home visit, typically 1 hour	41	41	$225.00	$180.21
99343 New patient home visit, typically 45 minutes	21	21	$150.00	$129.29
99326 New patient assisted living visit, typically 45 minutes	17	17	$150.00	$138.19
99306 Initial nursing facility visit, typically 45 minutes per day	16	15	$220.00	$165.27

Medical Specialties & State Licenses

CMS Verified: 2020-01-30

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 59153

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3030270 (MA)

Hospital & Practice Group Affiliations

Vantage Healthcare Llc

45 Dan Rd, Canton, MA 020212852

Phone: 7818672050

Practice Associates & Co-Workers

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

20 Associated Practitioners

Angela Okeefe

Social Worker - Clinical

NPI 1043718406

Tun Aung

Nurse Practitioner - Adult Health

NPI 1083367775

Jasmine Lafortune

Psychologist - Prescribing (Medical)

NPI 1144140971

Barbara Manning , NP

Nurse Practitioner - Adult Health

NPI 1164570321

Nurse Practitioner

Victoria Myers-Beacham , LICSW

Social Worker

NPI 1194351452

Licensed Independent Clinical Social Worker

Catherine Duffy , APRN-BC

Nurse Practitioner - Adult Health

NPI 1255488003

APRNBC

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location January 30, 2020

Registered at 75 SYLVAN ST STE B102, DANVERS, MA 019232764 (Tel: 9787747566)

📍

Updated Business Mailing Address January 30, 2020

Registered at 75 SYLVAN ST STE B102, DANVERS, MA 019232764 (Tel: 9787747566)

✅

NPI Profile Active December 01, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 01, 2007

Registered at 505 PARADISE RD, SWAMPSCOTT, MA 019071335 (Tel: 9787459449)

📍

Updated Business Mailing Address December 01, 2007

Registered at 505 PARADISE RD, SWAMPSCOTT, MA 019071335 (Tel: 9787459449)

👤

Provider Name / Credentials Updated December 01, 2007

Recorded as MARK MESSENGER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 01, 2007

Internal Medicine (License #59153 in MA)

🟢

Initial NPI Registration & Enumeration August 09, 2005

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: 1194726471

Entity Type:

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

Enumeration Date: August 09, 2005

Last Update: January 30, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

75 Sylvan St Ste B102

Danvers, MA 019232764

Phone: 9787747566

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.