WILLIAM PAUL GREISSINGER DO
NPI 1194700641
Emergency Medicine in Erie, PA

Active since December 07, 2005PECOS Enrolled
4950 BUFFALO RD, ERIE, PA 16510(814) 898-2576 Get Directions Write a Review

NPPES record last updated: October 6, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 6, 2020, Oct 7, 2019 (2 updates tracked since 2019).

About William Paul Greissinger Do NPPES

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

WILLIAM PAUL GREISSINGER DO (NPI 1194700641) is an individual emergency medicine provider in Erie, Pennsylvania, licensed in Pennsylvania (OS008805L) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194700641
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWILLIAM PAUL GREISSINGERCredential: DO
Location Address4950 BUFFALO RDErie, PA 16510-2304
Mailing Address4950 Buffalo RdErie, PA 16510-2304 · (814) 898-2576
Sole ProprietorNo
Enumeration DateDecember 7, 2005
Last NPPES UpdateOctober 6, 20202 updates tracked since enumeration
NPPES CertifiedOctober 6, 2020
NPI 1194700641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in PA · OS008805L
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.

4950 BUFFALO RD, Erie, PA 16510

Secondary Practice Locations 2

Location 14247 W Ridge Rd Ste 101Erie, PA 16506-1746 · Phone (814) 835-2580
Location 2232 W 25th StErie, PA 16544-0002 · Phone (814) 452-5000 · Fax (814) 452-5442

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

William Paul Greissinger Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 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.
263 services244 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.
81 services79 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.
53 services53 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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16510 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Nurse Practitioner (Primary Care)
4950 BUFFALO RD
ERIE, PA 16510
Emergency Medicine
4950 BUFFALO RD
ERIE, PA 16510
Family Medicine
4950 BUFFALO RD
ERIE, PA 16510
Family Medicine
4950 BUFFALO RD
ERIE, PA 16510
Family Medicine
4950 BUFFALO RD
ERIE, PA 16510
Family Medicine
4950 BUFFALO RD
ERIE, PA 16510
Emergency Medicine
4950 BUFFALO RD
ERIE, PA 16510
Family Medicine
4950 BUFFALO RD
ERIE, PA 16510

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 William Greissinger's NPI number?

The NPI number for William Greissinger is 1194700641. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is William Greissinger located?

William Greissinger practices at 4950 Buffalo Rd, Erie, PA 16510. The listed phone number is (814) 898-2576.

What is William Greissinger's specialty?

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

Is William Greissinger enrolled in Medicare?

Yes. William Greissinger is registered in the Medicare PECOS enrollment system.

What insurance does William Greissinger accept?

Health plans from Molina Healthcare list William Greissinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Greissinger was last updated on October 6, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.