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HARRY FLASTER M.D.
NPI 1629311485
Emergency Medicine in Baltimore, MD

Active since March 30, 2013PECOS EnrolledAccepts Medicare Assignment
600 N WOLFE ST, BALTIMORE, MD 21264(410) 933-4380 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2026, May 20, 2026, Aug 19, 2019 (3 updates tracked since 2019).

About Harry Flaster M.d. NPPES

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

HARRY FLASTER M.D. (NPI 1629311485) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D97672) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1629311485
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameHARRY FLASTERCredential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21264-6410
Mailing Address800 Bradbury Dr Se Ste 116Albuquerque, NM 87106-4310
Phone(410) 933-4380
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 30, 2013
Last NPPES UpdateJuly 23, 20263 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1629311485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MD · D97672✔ Licensed in NM · MD2026-0112
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.
600 N WOLFE ST, Baltimore, MD 21264
Open in Google Maps ↗

Secondary Practice Location 1

Location 11959 NE Pacific St, Box 356410Seattle, WA 98195-6410 · Phone (206) 543-3654 · Fax (206) 543-8136

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

Harry Flaster M.d. 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 ID7214359140
PECOS Enrollment IDI20231011003989, I20250403000288
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

5

Medicare enrollment records show Harry Flaster reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University
Same address
Orthopaedic Surgery
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1013913789 (410) 955-5000
Emergency Physicians Spps
1.1 mi
Emergency Medicine
301 SAINT PAUL PL, TOWER 1
Baltimore, MD 21202
  • Reassigned Medicare billing, Maryland enrollment
  • 66 clinicians in this Medicare group
NPI 1760885958 (410) 332-9000
University Of Maryland Emergency Medicine Associates, PA
1.5 mi
Emergency Medicine
827 LINDEN AVE
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 234 clinicians in this Medicare group
NPI 1811704208 (301) 631-8103
Unm Medical Group Inc
1,674 mi
Multi-Specialty
2211 LOMAS NE
Albuquerque, NM 87106
  • Reassigned Medicare billing, New Mexico enrollment
  • 2,105 clinicians in this Medicare group
NPI 1831218627 (505) 272-3303
Dhhs Phs Naihs Chinle Comprehensive Health Care Facility
1,792 mi
General Acute Care Hospital
NAVAJO ROUTE 64
Tsaile, AZ 86556
  • Reassigned Medicare billing, Texas enrollment
  • 476 clinicians in this Medicare group
NPI 1538185715 (928) 724-3600

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 4

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 high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
81 services78 patients
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.
60 services58 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
25 services20 patients
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.
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.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210008
Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21264 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.

ISRAEL JESUS MENDEZ BERMUDEZ
Ophthalmology
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
SUZETTE IKEJIANI MD
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
DR. CHRISTINE WANG MD
Ophthalmology (Cornea and External Diseases Specialist)
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
BANGCHEN WANG
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
JACQUELINE KANE
Audiologist
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
REBECCA GORSKI AGACNP-BC
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
DR. WILLIAM LEWIS VALENTINO MD, MS
Radiology (Diagnostic Radiology)
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080
DR. SHAUN P HARTY M.D.
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21264
Baltimore City (410) 955-5080

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 Harry Flaster's NPI number?

The NPI number for Harry Flaster is 1629311485. It was assigned to this individual provider in the NPPES registry on March 30, 2013.

Where is Harry Flaster located?

Harry Flaster practices at 600 N Wolfe St, Baltimore, MD 21264. The listed phone number is (410) 933-4380.

What is Harry Flaster's specialty?

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

Is Harry Flaster enrolled in Medicare?

Yes. Harry Flaster 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 Harry Flaster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harry Flaster reassigns Medicare benefits to 5 organizations: Johns Hopkins University (Baltimore, MD), Emergency Physicians Spps (Baltimore, MD), University Of Maryland Emergency Medicine Associates, PA (Baltimore, MD), Unm Medical Group Inc (Albuquerque, NM) and Dhhs Phs Naihs Chinle Comprehensive Health Care Facility (Tsaile, AZ). 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 Harry Flaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Harry Flaster affiliated with any hospitals?

According to CMS data, Harry Flaster is affiliated with Mercy Medical Center Inc and Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Harry Flaster was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.