MR. GARY HOREWITZ PA
NPI 1427430875
Physician Assistant in Baltimore, MD

Q: What is Gary Horewitz's NPI number?

The NPI number for Gary Horewitz is 1427430875. It was assigned to this individual provider in the NPPES registry on June 22, 2015.

Q: What is Gary Horewitz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Gary Horewitz was last updated on June 22, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 June 22, 2015PECOS Enrolled

74.39/100

CMS Quality Rating

4940 EASTERN AVE, A-1 EAST SUITE 150, BALTIMORE, MD 21224(410) 550-7852 Get Directions Write a Review

NPPES record last updated: June 22, 2015. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Mr. Gary Horewitz Pa NPPES

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

MR. GARY HOREWITZ PA (NPI 1427430875) is an individual physician assistant in Baltimore, Maryland, licensed in Maryland (C0005771) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1427430875

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameMR. GARY HOREWITZCredential: PA

Location Address4940 EASTERN AVE, A-1 EAST SUITE 150Baltimore, MD 21224-2735

Mailing Address9127 Saint Marks PlFairfax, VA 22031-3084

Phone(410) 550-7852

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateJune 22, 2015

✔ NPI 1427430875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in MD · C0005771

Definition

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.

4940 EASTERN AVE, Baltimore, MD 21224

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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 (PECOS)

Mr. Gary Horewitz Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426367251

PECOS Enrollment IDI20151019001590

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

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

66 services63 patients

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210029

Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21224 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

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.

74.39/100

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

Scored as part of a group practice

Quality

64.71

Promoting Interoperability

Improvement Activities

Cost

52.43

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.

DR. SUSRUTHA KOTWAL MD

Internal Medicine

4940 EASTERN AVE, MFL BLDG, WEST TOWER, 6TH FLOOR
BALTIMORE, MD 21224

Baltimore City (410) 550-5018

DR. SAMANTHA A WOLFE MD

Otolaryngology