DR. KARIM ALAVI MD
NPI 1497700777
Colon & Rectal Surgery in Worcester, MA

Q: What is Karim Alavi's NPI number?

The NPI number for Karim Alavi is 1497700777. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Q: What is Karim Alavi's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Q: When was this NPI record last updated?

The NPPES record for Karim Alavi was last updated on November 2, 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 May 24, 2006PECOS EnrolledAccepts Medicare Assignment

97.02/100

CMS Quality Rating

67 BELMONT ST, COLORECTAL SURGERY, WORCESTER, MA 01605(508) 334-8195(508) 334-8130 Get Directions Write a Review

NPPES record last updated: November 2, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Karim Alavi Md NPPES

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

DR. KARIM ALAVI MD (NPI 1497700777) is an individual colon & rectal surgery provider in Worcester, Massachusetts, licensed in Massachusetts (231260) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Health - Harrington Hospital, and is a graduate of George Washington University School Of Medicine (1995).

NPPES Registry Identity

NPI1497700777

Entity TypeIndividualMale

Primary Taxonomy208C00000X

Provider Legal NameDR. KARIM ALAVICredential: MD

Location Address67 BELMONT ST, COLORECTAL SURGERYWorcester, MA 01605-2657

Mailing AddressPo Box 415348Boston, MA 02241-0001 · (800) 225-8885 · Fax (508) 334-1977

Phone(508) 334-8195

Fax(508) 334-8130

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1995

Enumeration DateMay 24, 2006

Last NPPES UpdateNovember 2, 2020

NPPES CertifiedNovember 2, 2020

✔ NPI 1497700777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208C00000X

License✔ Licensed in MA · 231260

Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

67 BELMONT ST, Worcester, MA 01605

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Other Identifiers 1

Medicaid2139260MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karim Alavi 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 ID9436162187

PECOS Enrollment IDI20070824000312

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.

Medicare Billing Reassignment

Medicare enrollment records show Karim Alavi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc

1.8 mi

Internal Medicine

55 LAKE AVE N
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1760445373 (508) 334-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

89 services64 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

85 services24 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

70 services70 patients

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

67 services58 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

53 services31 patients

Test for tone and sensation of rectum and anus 91120

This procedure checks the health of the lower digestive tract. The doctor gently examines the area to assess its muscle strength and sensitivity. This helps in detecting any abnormal conditions. It's a standard, safe procedure with minimal discomfort.

53 services31 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

28 services26 patients

Study of rectum sensitivity and function 91122

This procedure examines the rectum's sensitivity and functionality. It involves a small, soft balloon inserted into the rectum and inflated to various degrees. The goal is to assess how well your rectum can sense and respond to different volumes. It's a crucial test for diagnosing certain digestive issues.

21 services20 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

20 services20 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

18 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

15 services14 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

13 services13 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

13 services13 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220019

Location100 South StreetSouthbridge, MA 01550 · Worcester County

Emergency services

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220090

Location14 Prospect StreetMilford, MA 01757 · Worcester County

Emergency services Birthing friendly

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 01605 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

Most-billed visit code 99213

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.

KAITLYN OLDEWURTEL DO

Colon & Rectal Surgery

67 BELMONT ST
WORCESTER, MA 01605

Worcester County (508) 334-8195

MARK WEBSTER MAXFIELD M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

67 BELMONT ST
WORCESTER, MA 01605

Worcester County (508) 334-5826

MIRRET EL-HAGRASSY

Psychiatry & Neurology (Neurology)

67 BELMONT ST
WORCESTER, MA 01605

Worcester County (508) 334-6641

DR. GEOFFREY M GRAEBER M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

67 BELMONT ST, DIVISION OF THORACIC SURGERY
WORCESTER, MA 01605

Worcester County (508) 334-8996

DR. FRANCIS MICHAEL HUTTINGER MD

Psychiatry & Neurology (Neurology)

67 BELMONT ST
WORCESTER, MA 01605

Worcester County (508) 334-6641

MS. JANET A MCDADE NP

Nurse Practitioner

67 BELMONT ST
WORCESTER, MA 01605

Worcester County (508) 334-8195

MR. MIN SHICK AHN MD

Otolaryngology

67 BELMONT ST, STE 103
WORCESTER, MA 01605

Worcester County (508) 755-8623

DR. JOAN FRANCES PUGLIA M.D.

Psychiatry & Neurology (Neurology)

67 BELMONT ST, SUITE 301
WORCESTER, MA 01605

Worcester County (508) 334-6641

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 Karim Alavi's NPI number?

The NPI number for Karim Alavi is 1497700777. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Karim Alavi located?

Karim Alavi practices at 67 Belmont St Colorectal Surgery, Worcester, MA 01605. The listed phone number is (508) 334-8195.

What is Karim Alavi's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Karim Alavi enrolled in Medicare?

Yes. Karim Alavi 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.

Which organization bills Medicare for Karim Alavi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karim Alavi reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karim Alavi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karim Alavi accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Karim Alavi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karim Alavi affiliated with any hospitals?

According to CMS data, Karim Alavi is affiliated with Umass Memorial Health - Harrington Hospital, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Karim Alavi was last updated on November 2, 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.