TAMMY L WILLIAMS LCPC
NPI 1841735099
Counselor - Mental Health in Westminster, MD

Active since December 27, 2016PECOS EnrolledAccepts Medicare Assignment
1004 LITTLESTOWN PIKE STE C, WESTMINSTER, MD 21157(717) 465-0943 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2026, Jan 9, 2019, Dec 27, 2016 (3 updates tracked since 2016).

About Tammy L Williams Lcpc NPPES

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

TAMMY L WILLIAMS LCPC (NPI 1841735099) is an individual mental health provider in Westminster, Maryland, licensed in Maryland (LC9268) and active in the NPI registry since December 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1841735099
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTAMMY L WILLIAMSCredential: LCPC
Location Address1004 LITTLESTOWN PIKE STE CWestminster, MD 21157-3027
Mailing Address1004 Littlestown Pike Ste CWestminster, MD 21157-3027 · (717) 465-0943
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateDecember 27, 2016
Last NPPES UpdateMay 19, 20263 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1841735099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MD · LC9268
1004 LITTLESTOWN PIKE STE C, Westminster, MD 21157

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tammy L Williams Lcpc 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 ID9537508593
PECOS Enrollment IDI20240423004513
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 Tammy Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health
1004 LITTLESTOWN PIKE STE C
Westminster, MD 21157
  • Reassigned Medicare billing, Maryland enrollment

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1004 LITTLESTOWN PIKE STE C
WESTMINSTER, MD 21157

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 Tammy Williams's NPI number?

The NPI number for Tammy Williams is 1841735099. It was assigned to this individual provider in the NPPES registry on December 27, 2016.

Where is Tammy Williams located?

Tammy Williams practices at 1004 Littlestown Pike Ste C, Westminster, MD 21157. The listed phone number is (717) 465-0943.

What is Tammy Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Tammy Williams enrolled in Medicare?

Yes. Tammy 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.

Which organization bills Medicare for Tammy Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Williams reassigns Medicare benefits to We All Rise Mental Health Services LLC (Westminster, MD). 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 Tammy 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 Tammy Williams was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.