DR. ANDREW SCOTT KARSON MD
NPI 1194706002
Internal Medicine in Worcester, MA

Q: What is Andrew Karson's NPI number?

The NPI number for Andrew Karson is 1194706002. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Q: What is Andrew Karson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Karson was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 08, 2005PECOS EnrolledAccepts Medicare Assignment

97.02/100

CMS Quality Rating

55 LAKE AVE N, WORCESTER, MA 01655(774) 442-3797(774) 442-3694 Get Directions Write a Review

NPPES record last updated: October 28, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 28, 2020, Jul 15, 2019 (2 updates tracked since 2019).

On this page

About Dr. Andrew Scott Karson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW SCOTT KARSON MD (NPI 1194706002) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (155144) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Harvard Medical School (1995).

NPPES Registry Identity

NPI1194706002

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. ANDREW SCOTT KARSONCredential: MD

Location Address55 LAKE AVE NWorcester, MA 01655-0002

Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977

Phone(774) 442-3797

Fax(774) 442-3694

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1995

Enumeration DateNovember 8, 2005

Last NPPES UpdateOctober 28, 20202 updates tracked since enumeration

NPPES CertifiedOctober 28, 2020

✔ NPI 1194706002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 155144

Definition

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.

55 LAKE AVE N, Worcester, MA 01655

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Scott Karson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911192299

PECOS Enrollment IDI20101111001403

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.02/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

78.09

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HILLARY R. IRONS MD

Emergency Medicine

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 421-1400

MS. EILEEN A. DUHAMEL NP

Nurse Practitioner

55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-2710

EWA HRYNISZYN CRNA

Nurse Anesthetist, Certified Registered

55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

HELEN COPSEY PA-C

Physician Assistant

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-8585

DR. ADEPEJU GBADEBO CHAMPION M.D.

Internal Medicine

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-2731

SOWMYA KORAPATI

Internal Medicine (Hematology & Oncology)

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-3550

LAYLA FAKHRZADEH M.D.

Anesthesiology

55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

YOONYIE CHO M.D.

Anesthesiology

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Karson's NPI number?

The NPI number for Andrew Karson is 1194706002. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Where is Andrew Karson located?

Andrew Karson practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 442-3797.

What is Andrew Karson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Andrew Karson enrolled in Medicare?

Yes. Andrew Karson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Andrew Karson affiliated with any hospitals?

According to CMS data, Andrew Karson is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Andrew Karson was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.