GARY R KEILSON MD
NPI 1508857707
Psychiatry & Neurology - Neurology in Worcester, MA

Q: What is Gary Keilson's NPI number?

The NPI number for Gary Keilson is 1508857707. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Q: What is Gary Keilson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Gary Keilson was last updated on May 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 04, 2005PECOS EnrolledAccepts Medicare Assignment

123 SUMMER ST, SUITE 230 S, WORCESTER, MA 01608(508) 368-3150(508) 368-3152 Get Directions Write a Review

NPPES record last updated: May 2, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Gary R Keilson Md NPPES

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

GARY R KEILSON MD (NPI 1508857707) is an individual neurology provider in Worcester, Massachusetts, licensed in Massachusetts (74084) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Health - Harrington Hospital, and is a graduate of University Of Virginia School Of Medicine (1987).

NPPES Registry Identity

NPI1508857707

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameGARY R KEILSONCredential: MD

Location Address123 SUMMER ST, SUITE 230 SWorcester, MA 01608-1312

Mailing Address630 Plantation StWorcester, MA 01605-2038 · (508) 368-3150 · Fax (508) 368-3152

Phone(508) 368-3150

Fax(508) 368-3152

Sole ProprietorNo

Medical School CMSUniversity Of Virginia School Of MedicineGraduated 1987

Enumeration DateNovember 4, 2005

Last NPPES UpdateMay 2, 2011

✔ NPI 1508857707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in MA · 74084

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

123 SUMMER ST, Worcester, MA 01608

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Other Identifiers 20

Other042472266Private Healthcare System

OtherJ14372Blue Indemnity

Other784035Mvp Health Care

Other042472266Healthcare Value Manageme

OtherJ14372Medicare B

Other917831First Health

Other9900842Fallon Community Health P

OtherJ14372Blue Shield Hmo Blue

Medicare UPINF72097

Other0500193Evercare

Other3118649Medicaid Welfare

Other5845001Aetna Us Healthcare

OtherAA3016Harvard Pilgrim Healthcar

Other042472266One Health Plan

Other29203Healthy Start

Medicare ID-Type UnspecifiedJ14372

Other1700170Cigna Pal Id

OtherJ14372Blue Care Elect

Other130015211Railroad Medicare

Other29203Childrens Medical Securit

Accepted Insurance

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

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

Gary R Keilson 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 ID3375587686

PECOS Enrollment IDI20050617000215

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.

Areas of Expertise CMS Part B claims 14

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.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

11,950 services22 patients

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.

325 services252 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.

98 services98 patients

Needle measurement of electrical activity in arm or leg muscles, limited study 95885

This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.

62 services50 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

47 services44 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

42 services41 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

37 services11 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

30 services18 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

20 services20 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

18 services17 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

17 services17 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

16 services16 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

16 services14 patients

Nerve conduction, 3-4 studies 95908

Nerve conduction studies are tests that measure how well your nerves are working. In a 3-4 studies procedure, electrical signals are sent through 3-4 nerves. The speed and strength of the signal's travel is recorded to detect any nerve damage or dysfunction.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

St Vincent Hospital

Acute Care Hospitals · Worcester, MA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number220176

Location123 Summer StreetWorcester, MA 01608 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01608 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

3 suppliers21 claims21 services$31.53 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers16 claims16 services$39.02 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

3 suppliers13 claims13 services$13.14 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers21 claims113 services$1.69 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MADAIAH LOKESHWARI M.D.

Hospitalist

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-6849

DR. JENNIFER LYNNE PAPPALARDO DPM

Podiatrist (Foot & Ankle Surgery)

123 SUMMER ST, DEPARTMENT OF PODIATRY
WORCESTER, MA 01608

Worcester County (508) 363-7390

DR. MADHAV SHARMA MD

Internal Medicine

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-5438

YESHASWINI KATKOORI MD

Student in an Organized Health Care Education/Training Program

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-5000

DANIELLE MAY PELOQUIN

Nurse Anesthetist, Certified Registered

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-5000

DR. YAYAN CHEN M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-6049

FARRICY & KRAFT LLP

Obstetrics & Gynecology (Obstetrics)

123 SUMMER ST, SUITE 560
WORCESTER, MA 01608

Worcester County (508) 363-6100

KEITH A BEALS PA

Physician Assistant

123 SUMMER ST
WORCESTER, MA 01608

Worcester County (508) 363-5000

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 Gary Keilson's NPI number?

The NPI number for Gary Keilson is 1508857707. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Gary Keilson located?

Gary Keilson practices at 123 Summer St Suite 230 S, Worcester, MA 01608. The listed phone number is (508) 368-3150.

What is Gary Keilson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Gary Keilson enrolled in Medicare?

Yes. Gary Keilson 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.

What insurance does Gary Keilson accept?

Health plans from Anthem Blue Cross and Blue Shield list Gary Keilson 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 Gary Keilson affiliated with any hospitals?

According to CMS data, Gary Keilson is affiliated with Umass Memorial Health - Harrington Hospital and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Gary Keilson was last updated on May 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.