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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM H MAAS
NPI 1417635681
Student in an Organized Health Care Education/Training Program in Rochester, NY

Active since July 07, 2023
1455 E RIDGE RD, ROCHESTER, NY 14621(585) 922-4103 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2025, Jul 7, 2023 (2 updates tracked since 2023).

About William H Maas NPPES

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

WILLIAM H MAAS (NPI 1417635681) is an individual student in an organized health care education/training program in Rochester, New York and active in the NPI registry since July 2023.

NPPES Registry Identity

NPI1417635681
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameWILLIAM H MAAS
Location Address1455 E RIDGE RDRochester, NY 14621-2006
Mailing Address1455 E Ridge RdRochester, NY 14621-2006
Phone(585) 922-4103
Sole ProprietorNo
Enumeration DateJuly 7, 2023
Last NPPES UpdateJune 18, 20262 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
✔ NPI 1417635681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1455 E RIDGE RD, Rochester, NY 14621
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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.

GINA LAURINI
Student in an Organized Health Care Education/Training Program
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 974-5045
ANGELA BATTAGLIA NP
Nurse Practitioner (Adult Health)
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-4882
DR. RENEE MARIE PELLEGRINO D.D.S
Dentist
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-4103
ELIZABETH BORRELLI FNP-C
Nurse Practitioner (Family)
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-2575
DR. ARJUN MEIYAPPAN MD
Family Medicine
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-4882
ALICIA QUARTARO
Counselor (Mental Health)
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 974-5315
GRETA STAUBLY PHARMD
Pharmacist (Ambulatory Care)
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-5465
KAITLIN VILLA FNP
Nurse Practitioner (Family)
1455 E RIDGE RD
ROCHESTER, NY 14621
Monroe County (585) 922-4882

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 Maas's NPI number?

The NPI number for William Maas is 1417635681. It was assigned to this individual provider in the NPPES registry on July 7, 2023.

Where is William Maas located?

William Maas practices at 1455 E Ridge Rd, Rochester, NY 14621. The listed phone number is (585) 922-4103.

What is William Maas's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for William Maas was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.