Active NPI 1891760005 Individual Practitioner Male Practitioner

Dr. Mark Philip Epstein , MD

Specialist • Concord, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Epstein, MD is a certified Specialist practicing in Concord, MA. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Epstein delivers high-quality medical care to the local community at 131 ORNAC.

Dr. Epstein is affiliated with Middlesex Gastroenterolgy Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

131 Ornac
John Cuming Building Suite 560

Concord, MA 01742

Telephone 9783711551

Fax 9783711518

Associated Practice Facility / Clinic

🏢 Emerson Urological Associates, Inc. Facility NPI 1396744777

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Concord, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs -12.5 yrs vs City Avg

City Avg: 50.5 Yrs

State Avg: 37.9 Yrs

Regional Practice Density

6 Specialists

Practicing in Concord, MA (1181 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Epstein (38 Years) 38 Yrs

Concord Specialty Average (50.5 Years) 50.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	118	$325.00	$138.10
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	60	59	$1450.00	$261.39
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	55	$1025.00	$139.63
45380 Biopsy of large bowel using an endoscope	44	44	$1000.00	$147.45
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	42	41	$710.00	$182.41
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	20	$325.00	$123.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$500.00	$179.64
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$300.00	$95.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$550.00	$171.06
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$672.00	$180.63
76981 Elastography ultrasound of organ tissue	16	15	$350.00	$119.09
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$950.00	$180.32

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	127	102	$325.00	$139.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	69	66	$1025.00	$140.74
99213 Established patient office or other outpatient visit, typically 15 minutes	69	60	$300.00	$99.66
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	60	60	$1450.00	$268.17
45380 Biopsy of large bowel using an endoscope	55	55	$1000.00	$150.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$500.00	$177.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	35	19	$325.00	$126.45
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	27	27	$710.00	$187.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	13	$250.00	$84.08
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	14	14	$672.00	$194.87
76981 Elastography ultrasound of organ tissue	11	11	$254.55	$121.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	130	103	$300.00	$101.56
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	92	89	$1025.00	$142.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	90	73	$325.00	$142.08
45380 Biopsy of large bowel using an endoscope	51	51	$1000.00	$179.15
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	47	47	$1450.00	$272.90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	45	23	$325.00	$106.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$315.00	$125.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	27	$250.00	$76.38
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	37	37	$710.00	$192.48
91200 Measurement of liver stiffness	23	22	$200.00	$36.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$500.00	$184.86
45378 Diagnostic exam of large bowel using a flexible endoscope	18	17	$950.00	$175.16
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	17	17	$300.00	$110.66
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$672.00	$194.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$550.00	$201.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	153	124	$300.00	$102.99
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	91	67	$325.00	$111.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	66	$325.00	$145.75
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	69	69	$1025.00	$143.78
45380 Biopsy of large bowel using an endoscope	53	53	$1000.00	$178.48
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	46	46	$1450.00	$271.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	32	$250.00	$77.74
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	30	30	$710.00	$200.58
45378 Diagnostic exam of large bowel using a flexible endoscope	30	30	$950.00	$192.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	23	$550.00	$216.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	21	$125.00	$64.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$440.00	$187.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$350.00	$147.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$315.00	$126.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	181	121	$300.00	$83.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	81	64	$125.00	$51.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	72	55	$325.00	$113.84
45380 Biopsy of large bowel using an endoscope	61	60	$1000.00	$174.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	52	$325.00	$119.99
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	55	$1025.00	$134.39
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	37	37	$1450.00	$285.83
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	30	29	$703.67	$204.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$387.76	$182.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	20	$250.00	$78.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$315.00	$121.12
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$950.00	$202.58
91200 Measurement of liver stiffness	14	14	$200.00	$43.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$350.00	$150.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$550.00	$221.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	157	125	$217.83	$82.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	88	73	$125.00	$50.95
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	77	77	$1025.00	$146.45
45380 Biopsy of large bowel using an endoscope	58	58	$1000.00	$202.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$350.52	$182.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	40	$250.00	$121.40
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	33	$1450.00	$284.71
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	30	28	$672.00	$199.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	29	24	$325.00	$113.06
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	19	$229.58	$79.15
45378 Diagnostic exam of large bowel using a flexible endoscope	20	19	$950.00	$210.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$550.00	$220.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$350.00	$148.98
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$672.00	$210.01
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	11	11	$230.00	$89.12
91200 Measurement of liver stiffness	11	11	$200.00	$45.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	165	127	$200.30	$80.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	74	$301.02	$118.95
45380 Biopsy of large bowel using an endoscope	71	70	$1000.00	$222.19
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	61	57	$825.00	$144.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$425.00	$178.12
45378 Diagnostic exam of large bowel using a flexible endoscope	41	40	$800.00	$208.79
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	20	20	$1300.00	$286.37
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$450.00	$218.63
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	14	$225.00	$112.27
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$570.00	$227.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	184	125	$200.00	$79.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	84	$300.00	$116.73
45380 Biopsy of large bowel using an endoscope	79	79	$1000.00	$220.30
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	72	68	$825.00	$140.21
45378 Diagnostic exam of large bowel using a flexible endoscope	46	46	$800.00	$198.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$425.00	$176.48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	25	15	$225.00	$110.04
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	15	15	$1300.00	$279.04
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	11	$450.00	$213.88

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License MA 157680

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0129640 (MA)

Commercial Insurance / Payer ID Blue Cross Blue Sheild

J23602 (MA)

Commercial Insurance / Payer ID Harvard Pilgrim Healthcar

AA15373 (MA)

Hospital & Practice Group Affiliations

Middlesex Gastroenterolgy Pc

45 A Discovery Way, Acton, MA 017204482

Phone: 9784292010

Practice Associates & Co-Workers

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

23 Associated Practitioners

Dr. Daniel Vogel , MD

Otolaryngology

NPI 1023004330

Doctor of Medicine (M.D.)

Dr. Thomas Lamattina , MD

Internal Medicine - Cardiovascular Disease

NPI 1073594990

Doctor of Medicine (M.D.)

Dr. Stephen Dyda , DO

Internal Medicine - Cardiovascular Disease

NPI 1073681938

Doctor of Osteopathic Medicine (D.O.)

Dr. Peter Barkin , MD

Internal Medicine - Pulmonary Disease

NPI 1144298621

Doctor of Medicine (M.D.)

Dr. Susan Sajer , MD

Internal Medicine - Hematology & Oncology

NPI 1154304251

Doctor of Medicine (M.D.)

Dr. Brian Callahan , MD

Surgery

NPI 1174558217

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 131 ORNAC, JOHN CUMING BUILDING SUITE 560, CONCORD, MA 01742 (Tel: 9783711551)

📍

Updated Business Mailing Address July 08, 2007

Registered at 131 ORNAC, JOHN CUMING BUILDING SUITE 560, CONCORD, MA 01742 (Tel: 9783711551)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARK EPSTEIN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist (License #157680 in MA)

🟢

Initial NPI Registration & Enumeration February 21, 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: 1891760005

Entity Type:

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

Enumeration Date: February 21, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

131 Ornac, John Cuming Building Suite 560

Concord, MA 01742

Phone: 9783711551

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.