Active NPI 1245311166 Individual Practitioner Male Practitioner

Dr. Bruce Gardner Karlin , MD

Internal Medicine • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Bruce Karlin, MD is a certified Internal Medicine practicing in Worcester, MA. With approximately 50 years of clinical experience since graduating from University Of Massachusetts Medical School in 1976, Dr. Karlin delivers high-quality medical care to the local community at 108 GROVE ST.

Dr. Karlin is affiliated with Saint Vincent Physician Services Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

108 Grove St

Worcester, MA 016052651

Telephone 5084531005

Fax 5087490295

Associated Practice Facility / Clinic

🏢 Worcester Family Pharmacy, Inc. Facility NPI 1972708576

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

1976

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Worcester, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

50 Yrs +30.6 yrs vs City Avg

City Avg: 19.4 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

460 Specialists

Practicing in Worcester, MA (7127 Statewide)

Telehealth Adoption Rate

15.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

60.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Karlin (50 Years) 50 Yrs

Worcester Specialty Average (19.4 Years) 19.4 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	145	88	$250.00	$95.37
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	18	18	$324.00	$130.97

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	153	100	$250.00	$98.08
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	39	39	$324.00	$131.85

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	162	89	$234.94	$98.31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	36	36	$303.78	$132.35

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	156	94	$230.00	$100.56
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	28	28	$298.00	$133.51

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	186	126	$230.00	$81.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	18	18	$298.00	$121.67

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	360	176	$230.00	$81.26

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	220	130	$305.59	$85.07
99213 Established patient office or other outpatient visit, typically 15 minutes	146	69	$219.58	$68.62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	24	24	$213.00	$118.42
36415 Insertion of needle into vein for collection of blood sample	24	24	$15.00	$2.94

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	222	59	$257.03	$104.16
99213 Established patient office or other outpatient visit, typically 15 minutes	135	65	$223.33	$70.73
36415 Insertion of needle into vein for collection of blood sample	82	70	$15.00	$2.94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	33	33	$200.00	$111.56
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	32	28	$299.22	$139.55
G0008 Administration of influenza virus vaccine	23	23	$60.00	$28.66
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	23	23	$260.00	$164.27
Q2038 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluzone)	21	21	$30.00	$29.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$197.65	$42.38

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 43792

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

3085317 (MA)

Commercial Insurance / Payer ID Blue Cross

J10275 (MA)

Commercial Insurance / Payer ID Harvard

64275 (MA)

Hospital & Practice Group Affiliations

Saint Vincent Physician Services Inc

108 Grove St, Worcester, MA 016052651

Phone: 5084531005

Secondary Practice Locations

200 Lincoln Street, Suite 3

Worcester, MA 01605

Phone: 5087551222

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Brandi Hoag , DO

Internal Medicine

NPI 1962604157

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location April 16, 2018

Registered at 108 GROVE ST, WORCESTER, MA 016052651 (Tel: 5084531005)

✅

NPI Profile Active October 09, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location October 09, 2012

Registered at 200 LINCOLN STREET, SUITE 3, WORCESTER, MA 01605 (Tel: 5087551222)

📍

Updated Business Mailing Address October 09, 2012

Registered at 200 LINCOLN STREET, SUITE 3, WORCESTER, MA 01605 (Tel: 5087551222)

👤

Provider Name / Credentials Updated October 09, 2012

Recorded as BRUCE KARLIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 09, 2012

Internal Medicine (License #43792 in MA)

🟢

Initial NPI Registration & Enumeration October 18, 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: 1245311166

Entity Type:

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

Enumeration Date: October 18, 2006

Last Update: April 16, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

200 Lincoln Street, Suite 3

Worcester, MA 01605

Phone: 5087551222

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.