MR. JAMES MICHAEL MAST PA-C
NPI 1093482085
Physician Assistant in Baltimore, MD

Active since August 26, 2021PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
3001 S HANOVER ST, BALTIMORE, MD 21225(410) 350-3200 Get Directions Write a Review

NPPES record last updated: October 6, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 6, 2021, Aug 26, 2021 (2 updates tracked since 2021).

About Mr. James Michael Mast Pa-c NPPES

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

MR. JAMES MICHAEL MAST PA-C (NPI 1093482085) is an individual physician assistant in Baltimore, Maryland, licensed in Maryland (C0008150) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, is affiliated with Medstar Good Samaritan Hospital, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1093482085
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. JAMES MICHAEL MASTCredential: PA-C
Location Address3001 S HANOVER STBaltimore, MD 21225-1233
Mailing Address2412 Cider Mill RdParkville, MD 21234-2508 · (443) 761-5144
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 26, 2021
Last NPPES UpdateOctober 6, 20212 updates tracked since enumeration
NPPES CertifiedOctober 6, 2021
NPI 1093482085 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 · C0008150
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.
3001 S HANOVER ST, Baltimore, MD 21225

Secondary Practice Location 1

Location 19000 Franklin Square DrBaltimore, MD 21237-3901 · Phone (443) 777-7000

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

Mr. James Michael Mast Pa-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 ID3577952175
PECOS Enrollment IDI20211122000833
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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
68 services52 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
22 services15 patients

Hospital Affiliations CMS Care Compare

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

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 21225 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.

Radiology (Diagnostic Radiology)
3001 S HANOVER ST, DEPT OF INTERNAL MEDICINE
BALTIMORE, MD 21225
Internal Medicine (Cardiovascular Disease)
3001 S HANOVER ST
BALTIMORE, MD 21225
Internal Medicine (Cardiovascular Disease)
3001 S HANOVER ST, NATIONAL INSTITUTE ON AGING, 5TH FLOOR OF HARBOR HOSP.
BALTIMORE, MD 21225
Durable Medical Equipment & Medical Supplies (Customized Equipment)
3001 S HANOVER ST, GRUEHN BUILDING SUITE 100
BALTIMORE, MD 21225
Specialist
3001 S HANOVER ST
BALTIMORE, MD 21225
Obstetrics & Gynecology
3001 S HANOVER ST, SUITE 301
BALTIMORE, MD 21225
Emergency Medicine
3001 S HANOVER ST
BALTIMORE, MD 21225
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3001 S HANOVER ST, GRUEHN BLDG, STE 502
BALTIMORE, MD 21225

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 James Mast's NPI number?

The NPI number for James Mast is 1093482085. It was assigned to this individual provider in the NPPES registry on August 26, 2021.

Where is James Mast located?

James Mast practices at 3001 S Hanover St, Baltimore, MD 21225. The listed phone number is (410) 350-3200.

What is James Mast's specialty?

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

Is James Mast enrolled in Medicare?

Yes. James Mast 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 James Mast affiliated with any hospitals?

According to CMS data, James Mast is affiliated with Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for James Mast was last updated on October 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.