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MS. GUINEVERE A HELLEMS PA-C
NPI 1033341441
Physician Assistant in Rochester, NY

Active since August 18, 2009PECOS Enrolled
76.84/100
CMS Quality Rating
601 ELMWOOD AVE, BOX 704, ROCHESTER, NY 14642(585) 275-5863(585) 273-5761 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Guinevere A Hellems Pa-c NPPES

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

MS. GUINEVERE A HELLEMS PA-C (NPI 1033341441) is an individual physician assistant in Rochester, New York, licensed in New York (013317) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033341441
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. GUINEVERE A HELLEMSCredential: PA-C
Location Address601 ELMWOOD AVE, BOX 704Rochester, NY 14642-0001
Mailing Address601 Elmwood Ave, Box 704Rochester, NY 14642-0001 · (585) 275-5863 · Fax (585) 273-5761
Phone(585) 275-5863
Fax(585) 273-5761
Sole ProprietorNo
Enumeration DateAugust 18, 2009
Last NPPES UpdateJune 28, 2023
✔ NPI 1033341441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in NY · 013317✔ Licensed in NY · 13317
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.
601 ELMWOOD AVE, Rochester, NY 14642
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Guinevere A Hellems Pa-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14642 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

76.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.2
Promoting Interoperability100
Improvement Activities40
Cost42.68

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.

CARIE E BRADT RPA-C
Physician Assistant
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-6070
DR. RITA DADIZ DO
Pediatrics (Neonatal-Perinatal Medicine)
601 ELMWOOD AVE, BOX 635
ROCHESTER, NY 14642
Monroe County (585) 275-7787
DR. SCOTT ROSS SCHIFFMAN M.D.
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE, BOX 648
ROCHESTER, NY 14642
Monroe County (585) 275-1128
SARAH ANNE ROSSI FNP
Nurse Practitioner (Family)
601 ELMWOOD AVE, BOX 652
ROCHESTER, NY 14642
Monroe County (585) 279-5100
JIMENA CUBILLOS MD
Urology (Pediatric Urology)
601 ELMWOOD AVE, BOX 656
ROCHESTER, NY 14642
Monroe County (585) 275-3342
MRS. ANNE SCHERBERGER KEEFER RN NP
Nurse Practitioner (Adult Health)
601 ELMWOOD AVE, BOX 704
ROCHESTER, NY 14642
Monroe County (585) 275-5307
SCOTT OVERHOLT DDS
Student in an Organized Health Care Education/Training Program
601 ELMWOOD AVE, BOX 705
ROCHESTER, NY 14642
Monroe County (585) 275-7978
MS. SARAH L AVERILL MD
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-2100

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 Guinevere Hellems's NPI number?

The NPI number for Guinevere Hellems is 1033341441. It was assigned to this individual provider in the NPPES registry on August 18, 2009.

Where is Guinevere Hellems located?

Guinevere Hellems practices at 601 Elmwood Ave Box 704, Rochester, NY 14642. The listed phone number is (585) 275-5863.

What is Guinevere Hellems's specialty?

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

Is Guinevere Hellems enrolled in Medicare?

Yes. Guinevere Hellems is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guinevere Hellems was last updated on June 28, 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.