Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

STEPHEN M. HARRIS P.A-C
NPI 1881641256
Physician Assistant in Baltimore, MD

Active since May 30, 2006PECOS Enrolled
80.17/100
CMS Quality Rating
5601 LOCH RAVEN BLVD, P.O.B- SUITE G1, BALTIMORE, MD 21239(410) 532-4730(410) 532-4752 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stephen M. Harris P.a-c NPPES

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

STEPHEN M. HARRIS P.A-C (NPI 1881641256) is an individual physician assistant in Baltimore, Maryland, licensed in Maryland (C0002519) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Medstar Union Memorial Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1881641256
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameSTEPHEN M. HARRISCredential: P.A-C
Location Address5601 LOCH RAVEN BLVD, P.O.B- SUITE G1Baltimore, MD 21239-2905
Mailing Address5601 Loch Raven Blvd, P.o.b- Suite G1Baltimore, MD 21239-2905 · (410) 532-4730 · Fax (410) 532-4752
Fax(410) 532-4752
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1881641256 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 · C0002519
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.
5601 LOCH RAVEN BLVD, Baltimore, MD 21239

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

Stephen M. Harris P.a-c 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 ID3577585009
PECOS Enrollment IDI20051228000290
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 5

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 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.
54 services54 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.
45 services45 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.
17 services17 patients
Placement of mesh or cage device into spine disc space 22859
This procedure involves the insertion of a mesh or cage device into the disc space of your spine. It's performed to provide support and stability, often after disc removal. The device helps maintain spinal alignment and facilitates fusion of the adjacent vertebrae.
14 services11 patients
Placement of stabilizing device to back of 1 spine bone in neck 22840
This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.
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.

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210056
Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21239 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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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.

Physician Assistant
5601 LOCH RAVEN BLVD, BALTIMORE
BALTIMORE, MD 21239
Anesthesiology
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Internal Medicine
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Internal Medicine (Geriatric Medicine)
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Nurse Practitioner
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Psychiatry & Neurology (Psychiatry)
5601 LOCH RAVEN BLVD, RMB 406
BALTIMORE, MD 21239
Emergency Medicine
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Registered Nurse (Gerontology)
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239

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 Stephen Harris's NPI number?

The NPI number for Stephen Harris is 1881641256. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Stephen Harris located?

Stephen Harris practices at 5601 Loch Raven Blvd P.O.B- Suite G1, Baltimore, MD 21239. The listed phone number is (410) 532-4730.

What is Stephen Harris's specialty?

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

Is Stephen Harris enrolled in Medicare?

Yes. Stephen Harris 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 Stephen Harris affiliated with any hospitals?

According to CMS data, Stephen Harris is affiliated with Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Harris was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.