CRYSTAL MARIE WILLIAMS FNP-BC
NPI 1639604754
Nurse Practitioner - Family in Northampton, MA

Q: What is Crystal Williams's NPI number?

The NPI number for Crystal Williams is 1639604754. It was assigned to this individual provider in the NPPES registry on April 26, 2017.

Q: What is Crystal Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Crystal Williams was last updated on August 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since April 26, 2017PECOS Enrolled

325B KING ST, PIONEER VALLEY FAMILY MEDICINE, NORTHAMPTON, MA 01060(413) 387-4100(413) 387-4119 Get Directions Write a Review

NPPES record last updated: August 16, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 16, 2018, Oct 22, 2017, Apr 26, 2017 (3 updates tracked since 2017).

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About Crystal Marie Williams Fnp-bc NPPES

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

CRYSTAL MARIE WILLIAMS FNP-BC (NPI 1639604754) is an individual family provider in Northampton, Massachusetts, licensed in Massachusetts (RN2261796) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639604754

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCRYSTAL MARIE WILLIAMSCredential: FNP-BC

Location Address325B KING ST, PIONEER VALLEY FAMILY MEDICINENorthampton, MA 01060

Mailing Address280 Chestnut Street, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700

Phone(413) 387-4100

Fax(413) 387-4119

Sole ProprietorNo

Enumeration DateApril 26, 2017

Last NPPES UpdateAugust 16, 20183 updates tracked since enumeration

✔ NPI 1639604754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MA · RN2261796

325B KING ST, Northampton, MA 01060

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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)

Crystal Marie Williams Fnp-bc 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 01060 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

GLENDA B FLYNN NP

Nurse Practitioner (Family)