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TIFFANI NICOLE WILLIAMS LMSW
NPI 1033612221
Counselor - Addiction (Substance Use Disorder) in Rochester, NY

Active since March 14, 2018PECOS Enrolled
79 N CLINTON AVE, ROCHESTER, NY 14604(585) 546-3046(585) 546-2607 Get Directions Write a Review

NPPES record last updated: March 14, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Tiffani Nicole Williams Lmsw NPPES

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

TIFFANI NICOLE WILLIAMS LMSW (NPI 1033612221) is an individual addiction (substance use disorder) provider in Rochester, New York and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033612221
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameTIFFANI NICOLE WILLIAMSCredential: LMSW
Location Address79 N CLINTON AVERochester, NY 14604-1407
Mailing Address79 N Clinton AveRochester, NY 14604-1407 · (585) 546-3046 · Fax (585) 546-2607
Phone(585) 546-3046
Fax(585) 546-2607
Sole ProprietorNo
Enumeration DateMarch 14, 2018
✔ NPI 1033612221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
79 N CLINTON AVE, Rochester, NY 14604
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tiffani Nicole Williams Lmsw 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.

Medicare Billing Reassignment

Medicare enrollment records show Tiffani Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Catholic Charities Of The Diocese Of Rochester
Same address
Community/Behavioral Health
79 N CLINTON AVE
Rochester, NY 14604
  • Reassigned Medicare billing, New York enrollment
  • 21 clinicians in this Medicare group
NPI 1790853844 (585) 546-7220

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

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.

MARY BLOMGREN CASAC. LMHC
Counselor (Mental Health)
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (315) 331-2300
JESSICA MARIE MANLEY
Counselor (Addiction (Substance Use Disorder))
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-7220
MEGAN LEE FRIBANCE LMSW
Social Worker (Clinical)
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-7220
JEFF FOOTER LMSW CASAC
Counselor (Addiction (Substance Use Disorder))
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-3046
LAUREN MCVEIGH LMSW
Social Worker (Clinical)
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-7220
CASSANDRA L EASTMAN
Counselor (Addiction (Substance Use Disorder))
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-3046
JENNIFER PETERS DAUPHINEE LPN
Licensed Practical Nurse
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-7220
ELAYNA KINNEY LMHC
Counselor (Mental Health)
79 N CLINTON AVE
ROCHESTER, NY 14604
Monroe County (585) 546-7220

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 Tiffani Williams's NPI number?

The NPI number for Tiffani Williams is 1033612221. It was assigned to this individual provider in the NPPES registry on March 14, 2018.

Where is Tiffani Williams located?

Tiffani Williams practices at 79 N Clinton Ave, Rochester, NY 14604. The listed phone number is (585) 546-3046.

What is Tiffani Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Tiffani Williams enrolled in Medicare?

Yes. Tiffani Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tiffani Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffani Williams reassigns Medicare benefits to Catholic Charities Of The Diocese Of Rochester (Rochester, NY). The 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 Tiffani Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tiffani Williams was last updated on March 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.