Active NPI 1477828382 Individual Practitioner Male Practitioner

Michael David Mccarthy , PA

Physician Assistant • Somerville, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Michael Mccarthy, PA is a certified Physician Assistant practicing in Somerville, MA. With approximately 15 years of clinical experience since completing medical education in 2011, Michael Mccarthy delivers high-quality medical care to the local community at 40 HOLLAND ST.

Michael Mccarthy is affiliated with Atrius Health Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

40 Holland St

Somerville, MA 021442705

Telephone 6176296000

Associated Practice Facility / Clinic

🏢 Harvard Vanguard Medical Associates Facility NPI 1881756419

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Somerville, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs +4.7 yrs vs City Avg

City Avg: 10.3 Yrs

State Avg: 10.0 Yrs

Regional Practice Density

20 Specialists

Practicing in Somerville, MA (4746 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mccarthy (15 Years) 15 Yrs

Somerville Specialty Average (10.3 Years) 10.3 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
J1010 Injection, methylprednisolone acetate, 1 mg	13,820	131	$0.30	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	347	248	$268.30	$83.90
20610 Aspiration and/or injection of fluid from large joint	331	182	$270.54	$69.52
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	212	23	$5.00	$0.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	121	121	$346.00	$103.26
J1030 Injection, methylprednisolone acetate, 40 mg	117	62	$17.00	$6.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	297	146	$17.00	$7.57
20610 Aspiration and/or injection of fluid from large joint	286	164	$261.62	$69.11
99213 Established patient office or other outpatient visit, typically 15 minutes	275	207	$264.73	$83.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	88	88	$346.00	$104.23
J1040 Injection, methylprednisolone acetate, 80 mg	37	14	$31.00	$12.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	24	$346.00	$119.33
J1020 Injection, methylprednisolone acetate, 20 mg	19	11	$15.00	$4.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	274	155	$254.92	$68.94
99213 Established patient office or other outpatient visit, typically 15 minutes	268	202	$238.00	$86.35
J1030 Injection, methylprednisolone acetate, 40 mg	224	126	$17.00	$6.54
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	152	15	$5.00	$1.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	93	93	$346.00	$105.74
J1040 Injection, methylprednisolone acetate, 80 mg	66	22	$31.00	$10.98
J1020 Injection, methylprednisolone acetate, 20 mg	35	20	$15.00	$2.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	29	$346.00	$121.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	260	188	$219.72	$86.98
20610 Aspiration and/or injection of fluid from large joint	246	142	$270.19	$70.90
J1030 Injection, methylprednisolone acetate, 40 mg	192	104	$17.00	$5.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	111	111	$329.01	$107.41
J1040 Injection, methylprednisolone acetate, 80 mg	89	38	$31.00	$10.63
J1020 Injection, methylprednisolone acetate, 20 mg	26	11	$15.00	$3.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$335.78	$123.89
99441 Telephone medical discussion with physician, 5-10 minutes	17	16	$73.00	$54.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	161	129	$202.00	$71.75
20610 Aspiration and/or injection of fluid from large joint	140	88	$262.96	$68.41
J1030 Injection, methylprednisolone acetate, 40 mg	105	60	$17.00	$6.03
J1040 Injection, methylprednisolone acetate, 80 mg	54	32	$31.00	$11.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$300.00	$103.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	343	227	$202.00	$70.51
20610 Aspiration and/or injection of fluid from large joint	185	94	$228.04	$60.43
J1030 Injection, methylprednisolone acetate, 40 mg	143	80	$17.00	$6.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$297.00	$103.14
J1040 Injection, methylprednisolone acetate, 80 mg	30	14	$31.00	$12.03
J1020 Injection, methylprednisolone acetate, 20 mg	24	17	$15.00	$3.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	261	194	$185.39	$68.46
20610 Aspiration and/or injection of fluid from large joint	149	84	$176.18	$57.76
J1030 Injection, methylprednisolone acetate, 40 mg	123	76	$15.00	$6.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$273.00	$101.69
J1020 Injection, methylprednisolone acetate, 20 mg	41	22	$13.00	$4.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	197	148	$139.64	$65.90
20610 Aspiration and/or injection of fluid from large joint	106	71	$132.81	$56.83
J1030 Injection, methylprednisolone acetate, 40 mg	97	66	$8.00	$5.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$209.03	$95.82
J1020 Injection, methylprednisolone acetate, 20 mg	15	11	$8.00	$5.32

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA07778

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Texas Physician Assistant Board

PA07778 (TX)

Hospital & Practice Group Affiliations

Atrius Health Inc

133 Brookline Ave, Boston, MA 022153904

Phone: 6174211000

Atrius Health Inc

100 2nd Ave, Needham, MA 024942809

Phone: 7817264800

Practice Associates & Co-Workers

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

32 Associated Practitioners

Henry Stoll , PA

Physician Assistant - Medical

NPI 1013984582

Physician Assistant

Dr. Khalid Shash , MD

Internal Medicine - Cardiovascular Disease

NPI 1043251374

Doctor of Medicine (M.D.)

Maria Hedberg , FNP

Nurse Practitioner - Family

NPI 1043644883

Family Nurse Practitioner

Cynthia Tefft , NP

Nurse Practitioner

NPI 1114070208

Nurse Practitioner

Dr. Jane Clancy , MD

Radiology - Diagnostic Radiology

NPI 1124088844

Doctor of Medicine (M.D.)

Dr. Anil Gullapalli , MD

Family Medicine

NPI 1144272659

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 September 29, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location September 29, 2015

Registered at 40 HOLLAND ST, SOMERVILLE, MA 021442705 (Tel: 6176296000)

📍

Updated Business Mailing Address September 29, 2015

Registered at 40 HOLLAND ST, SOMERVILLE, MA 021442705 (Tel: 6176296000)

👤

Provider Name / Credentials Updated September 29, 2015

Recorded as MICHAEL MCCARTHY, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 29, 2015

Physician Assistant (License #PA07778 in TX)

🟢

Initial NPI Registration & Enumeration March 12, 2012

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: 1477828382

Entity Type:

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

Enumeration Date: March 12, 2012

Last Update: September 29, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

40 Holland St

Somerville, MA 021442705

Phone: 6176296000

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.