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DR. GREGORY WILLIAMS
NPI 1427045632
Family Medicine in Merrimack, NH

Active since October 03, 2005PECOS Enrolled
382 DW HWY, MERRIMACK, NH 03054(603) 424-4181 Get Directions Write a Review

NPPES record last updated: August 23, 2012. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Gregory Williams NPPES

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

DR. GREGORY WILLIAMS (NPI 1427045632) is an individual family medicine provider in Merrimack, New Hampshire, licensed in New Hampshire (11119) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427045632
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GREGORY WILLIAMS
Location Address382 DW HWYMerrimack, NH 03054-4152
Mailing AddressPo Box 808Nashua, NH 03061-0808 · (603) 578-5054
Phone(603) 424-4181
Sole ProprietorNo
Enumeration DateOctober 3, 2005
Last NPPES UpdateAugust 23, 2012
✔ NPI 1427045632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in NH · 11119✔ Licensed in MA · 154397
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
382 DW HWY, Merrimack, NH 03054
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Other Identifiers 3

Medicare UPING91672
Medicaid110061100/AMA
Medicare PINA2949902MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Williams 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 03054 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

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 Gregory Williams's NPI number?

The NPI number for Gregory Williams is 1427045632. It was assigned to this individual provider in the NPPES registry on October 3, 2005.

Where is Gregory Williams located?

Gregory Williams practices at 382 Dw Hwy, Merrimack, NH 03054. The listed phone number is (603) 424-4181.

What is Gregory Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Williams enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Gregory Williams was last updated on August 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.