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RIVERSIDE ANESTHESIA ASSOCIATES, LTD
NPI 1205827359
Anesthesiology in Harrisburg, PA

Active since October 28, 2005
1 RUTHERFORD ROAD, SUITE 101, HARRISBURG, PA 17109(717) 545-5256(717) 545-5259 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Jun 20, 2018, Apr 1, 2016 (3 updates tracked since 2016).

About Riverside Anesthesia Associates, Ltd NPPES

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

RIVERSIDE ANESTHESIA ASSOCIATES, LTD (NPI 1205827359) is a healthcare organization registered as an anesthesiology in Harrisburg, Pennsylvania and active in the NPI registry since October 2005. The organization lists Glenn C Keyser, President, as its authorized official.

NPPES Registry Identity

NPI1205827359
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameRIVERSIDE ANESTHESIA ASSOCIATES, LTD
Location Address1 RUTHERFORD ROAD, SUITE 101Harrisburg, PA 17109
Mailing Address1 Rutherford Road, Suite 101Harrisburg, PA 17109 · (717) 545-5256 · Fax (717) 545-5259
Phone(717) 545-5256
Fax(717) 545-5259
Organization SubpartNo
Authorized OfficialGlenn C KeyserPresident · (717) 545-5256
Enumeration DateOctober 28, 2005
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1205827359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X
1 RUTHERFORD ROAD, Harrisburg, PA 17109
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Other Identifiers 1

Medicaid0010985840019PA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riverside Anesthesia Associates, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

68

Medicare enrollment records show 68 clinicians reassign Medicare billing to Riverside Anesthesia Associates, Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 36 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Anesthesiology46
Certified Registered Nurse Anesthetist (CRNA)22

Nearest to this location (20)

See all 68
Jay Nassar, MD
Anesthesiology
NPI 1548250913
1 RUTHERFORD RD STE 101
Harrisburg, PA 17109
(717) 545-5256
✔ PECOS✔ Accepts MedicareSame address
Steven Later, D.O.
Anesthesiology
NPI 1770894685
1 RUTHERFORD RD
Harrisburg, PA 17109
(717) 545-5256
✔ PECOS✔ Accepts Medicare0.1 mi
Todd Schaeffer, DO
Anesthesiology
NPI 1922098367
4310 LONDONDERRY RD STE 1
Harrisburg, PA 17109
(717) 782-5118
✔ PECOS✔ Accepts Medicare0.7 mi
Christian Lauver, M.D.
Anesthesiology
NPI 1124257191
4300 LONDONDERRY RD
Harrisburg, PA 17109
(717) 782-5118
✔ PECOS✔ Accepts Medicare0.7 mi
Shawn Murphy, D.O.
Anesthesiology
NPI 1730301144
4300 LONDONDERRY RD
Harrisburg, PA 17109
(717) 782-5118
✔ PECOS✔ Accepts Medicare0.7 mi
Erik Nielson, M.D.
Anesthesiology
NPI 1073749180
4300 LONDONDERRY RD
Harrisburg, PA 17109
(717) 782-5118
✔ PECOS✔ Accepts Medicare0.7 mi
Slim Aouadhi, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1285161182
4300 LONDONDERRY RD
Harrisburg, PA 17109
(717) 782-5118
✔ Accepts Medicare0.7 mi
Jonathan Shirey, M.D.
Anesthesiology
NPI 1194926360
1 RUTHERFORD RD STE 101
Harrisburg, PA 17109
(717) 545-5256
✔ PECOS0.7 mi
Shabnaz Rob, DO
Anesthesiology
NPI 1982166542
1 RUTHERFORD RD STE 101
Harrisburg, PA 17109
(717) 545-5256
✔ PECOS4.1 mi
Matthew Bell, M.D.
Anesthesiology
NPI 1093158271
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ PECOS✔ Accepts Medicare4.5 mi
Alicia Stidfole, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1073875241
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ Accepts Medicare4.5 mi
Zachary Vasold, DNP, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1821613415
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-3131
✔ Accepts Medicare4.5 mi
Wendy Biedrzycki, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1033192950
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ Accepts Medicare4.7 mi
Christi Catalano Strickler, RN, MSN, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1487067641
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-3282
✔ Accepts Medicare4.7 mi
Kelly Gidusko, MD
Anesthesiology
NPI 1851437958
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ PECOS✔ Accepts Medicare4.7 mi
Robert Goodman, M.D.
Anesthesiology
NPI 1104825348
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ PECOS4.7 mi
Susan Key, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1447292032
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ Accepts Medicare4.7 mi
Laura Szabo, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1144727652
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-3282
✔ Accepts Medicare4.7 mi
Gregory Makuch, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1710055306
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ Accepts Medicare4.7 mi
Justin Young, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1447695796
111 S FRONT ST
Harrisburg, PA 17101
(717) 782-5118
✔ Accepts Medicare4.7 mi
See all 68 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Riverside Anesthesia Associates, Ltd's NPI number?

The NPI number for Riverside Anesthesia Associates, Ltd is 1205827359. It was assigned to this organization in the NPPES registry on October 28, 2005.

Where is Riverside Anesthesia Associates, Ltd located?

Riverside Anesthesia Associates, Ltd is located at 1 Rutherford Road Suite 101, Harrisburg, PA 17109. The listed phone number is (717) 545-5256.

What is Riverside Anesthesia Associates, Ltd's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Riverside Anesthesia Associates, Ltd enrolled in Medicare?

Yes. Riverside Anesthesia Associates, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Riverside Anesthesia Associates, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 68 clinicians in 2 Medicare specialties reassign their Medicare billing to Riverside Anesthesia Associates, Ltd. A 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 the clinician's services. The largest specialties are Anesthesiology (46) and Certified Registered Nurse Anesthetist (CRNA) (22). Of these, 1 practice at this address and 36 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Riverside Anesthesia Associates, Ltd was last updated on July 21, 2022. 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.