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ROBBIN WILLIAMS
NPI 1669831145
Counselor - Professional in Lancaster, PA

Active since February 12, 2016PECOS EnrolledAccepts Medicare Assignment
2501 OREGON PIKE, LANCASTER, PA 17601(717) 735-1954(717) 569-3045 Get Directions Write a Review

NPPES record last updated: March 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 26, 2025, Jul 9, 2024, Apr 13, 2021 and 1 more (4 updates tracked since 2016).

About Robbin Williams NPPES

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

ROBBIN WILLIAMS (NPI 1669831145) is an individual professional provider in Lancaster, Pennsylvania, licensed in Pennsylvania (PC017268) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1669831145
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameROBBIN WILLIAMS
Location Address2501 OREGON PIKELancaster, PA 17601-4890
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405 · Fax (717) 851-6969
Phone(717) 735-1954
Fax(717) 569-3045
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateFebruary 12, 2016
Last NPPES UpdateMarch 26, 20254 updates tracked since enumeration
NPPES CertifiedMarch 26, 2025
✔ NPI 1669831145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in PA · PC017268
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License PC017268 (PA)
2501 OREGON PIKE, Lancaster, PA 17601
Open in Google Maps ↗

Secondary Practice Locations 7

Location 1239 S Butler RdLebanon, PA 17042-8939 · Phone (717) 270-2422 · Fax (717) 279-2792
Location 2215 Landis Valley RdLititz, PA 17543-8432 · Phone (717) 735-1954 · Fax (717) 569-3045
Location 3301 W Orange StLititz, PA 17543-1814 · Phone (717) 735-1954 · Fax (717) 569-3045
Location 4418 E Lexington RdLititz, PA 17543-8963 · Phone (717) 735-1954 · Fax (717) 569-3045
Location 5101 N Oak StLititz, PA 17543-1350 · Phone (717) 735-1954 · Fax (717) 569-3045
Location 6401 Maple StLititz, PA 17543-1425 · Phone (717) 735-1954 · Fax (717) 569-3045
Location 720 S Cedar StLititz, PA 17543-1950 · Phone (717) 735-1954 · Fax (717) 569-3045

Other Identifiers 1

Other16241881PA · Caqh

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robbin Williams is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668916537
PECOS Enrollment IDI20240702002916
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.

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.

KIMBERLY GLATFELTER MSW, BSL
Counselor (Professional)
2501 OREGON PIKE, SUITE 113
LANCASTER, PA 17601
Lancaster County (717) 989-1633
MARLENE N REIFF LCSW, LMFT
Social Worker (Clinical)
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 466-2468
ANNA FISHER PSY.D.
Psychologist
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 735-1954
LAUREN N TSAI MSW, LCSW
Social Worker (Clinical)
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 735-1954
SCOTT GROFFMAN LSW
Social Worker
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (845) 705-3248
EVELYN MENSAH CRNP
Nurse Practitioner (Psychiatric/Mental Health)
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 735-1954
ALBA FOUNTAIN
Behavior Analyst
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 449-0076
JOSE LUIS MONTANER MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2501 OREGON PIKE
LANCASTER, PA 17601
Lancaster County (717) 735-1954

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 Robbin Williams's NPI number?

The NPI number for Robbin Williams is 1669831145. It was assigned to this individual provider in the NPPES registry on February 12, 2016.

Where is Robbin Williams located?

Robbin Williams practices at 2501 Oregon Pike, Lancaster, PA 17601. The listed phone number is (717) 735-1954.

What is Robbin Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Robbin Williams enrolled in Medicare?

Yes. Robbin Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Robbin Williams was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.