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GREGORY JOHN PRENDERGAST
NPI 1881156719
Emergency Medicine in Baltimore, MD

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment
2401 W BELVEDERE AVE, BALTIMORE, MD 21215(410) 601-9000 Get Directions Write a Review

NPPES record last updated: May 8, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2023, Sep 29, 2022, Apr 1, 2019 (3 updates tracked since 2019).

About Gregory John Prendergast NPPES

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

GREGORY JOHN PRENDERGAST (NPI 1881156719) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D0094757) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Durham, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2019).

NPPES Registry Identity

NPI1881156719
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY JOHN PRENDERGAST
Location Address2401 W BELVEDERE AVEBaltimore, MD 21215-5216
Mailing Address5435 Simpkins CtEllicott City, MD 21043-6579 · (847) 370-3716
Phone(410) 601-9000
Sole ProprietorYes
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateMay 8, 20233 updates tracked since enumeration
NPPES CertifiedMay 8, 2023
✔ NPI 1881156719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D0094757
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2401 W BELVEDERE AVE, Baltimore, MD 21215
Open in Google Maps ↗

Secondary Practice Location 1

Location 12301 Erwin RdDurham, NC 27705-4699 · Phone (919) 684-8111

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

Gregory John Prendergast 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 ID4587044235
PECOS Enrollment IDI20220712001237, I20230522000081, I20231005000910
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 Reassignments

2

Medicare enrollment records show Gregory Prendergast reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
6.6 mi
Ambulatory Surgical
1701 TWIN SPRINGS RD
Halethorpe, MD 21227
NPI 1942546486 (301) 816-2424
Mep Health, LLC
34 mi
Emergency Medicine
9901 MEDICAL CENTER DR
Rockville, MD 20850
  • Reassigned Medicare billing, Maryland enrollment
  • 301 clinicians in this Medicare group
NPI 1164483558 (330) 493-4443

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

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21215 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
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

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.

KRISTEN MARLL
Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-5209
ANDREW BRAVE CRNP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-9000
DR. CHRISTIAN KADIRI MD
Internal Medicine
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-0594
SNJEZANA JANKOVIC NP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-9802
ELIZABETH MINH-ANN PHAM MD
Anesthesiology
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (804) 898-0825
YULANDA BLACKSTON LGPC
Counselor (Professional)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 459-3040
DUNCAN MCELFRESH CRNA
Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE, ANESTHESIA DEPARTMENT
BALTIMORE, MD 21215
Baltimore City (410) 601-5209
MRS. KERRY SWEENEY MCCARTNEY FNP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-5373

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 Gregory Prendergast's NPI number?

The NPI number for Gregory Prendergast is 1881156719. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Gregory Prendergast located?

Gregory Prendergast practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 601-9000.

What is Gregory Prendergast's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gregory Prendergast enrolled in Medicare?

Yes. Gregory Prendergast 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 organizations bill Medicare for Gregory Prendergast's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Prendergast reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Halethorpe, MD) and Mep Health, LLC (Rockville, MD). Each 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 Gregory Prendergast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Prendergast was last updated on May 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.