MARY S WILLIAMS (CRNA) – Certified Registered Nurse Anesthetist, NPI 1790768307

MARY S WILLIAMS (CRNA) is a healthcare provider. based in Melville, New York. specializing in Certified Registered Nurse Anesthetist. They hold the professional credentials CRNA. They hold a License No. RN162685L (PA). The NPI Number for MARY S WILLIAMS (CRNA) is 1790768307

Main info

Female
54 Years Of Experience
Accepts Medicare Assignment
Name
MARY S WILLIAMS (CRNA)
NPI
1790768307
Phone
(516) 945-3347
Address
68 S. SERVICE RD.
Enumeration Date
29 November 2005
Last Update Date
27 April 2015

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8146767600
Graduation Year
1972 (54 years ago)
PAC ID
0749453371
Group Practice PAC ID
7517960834
Professional Enrollment ID
I20111027000104
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for MARY S WILLIAMS (CRNA)

  • Comtech HQ, 68, South Service Road, Huntington, Suffolk County, New York, 11747, United States

    STE 350

    MELVILLE, NY 117472358

    Phone: (516) 945-3347

    Fax: (516) 945-3131

    Type: Mailing

  • Fairfield Drive, Woodburn, Seneca, Oconee County, South Carolina, 29678, United States

    SENECA, PA 163462130

    Phone: (814) 676-7843

    Fax: (814) 676-7838

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 11747)

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Provider's Procedures

MARY S WILLIAMS (CRNA) performs procedures in Certified Registered Nurse Anesthetist. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CERTIFIED REGISTERED NURSE ANESTHETPA00142Anesthesia for lens surgery1515

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7517960834View full group profile
NameSpecialtyState
-PA
-PA
Certified Registered Nurse Anesthetist (Crna)PA
-PA
A N E S T H E S I O L O G YMD
-VA
-VA
-VA
Certified Registered Nurse Anesthetist (Crna)PA
Certified Registered Nurse Anesthetist (Crna)PA

Reviews

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Frequently asked questions

What is MARY S WILLIAMS (CRNA)'s NPI number?
MARY S WILLIAMS (CRNA)'s NPI is 1790768307 — the number used across U.S. healthcare to identify this provider.
Is there an active status for MARY S WILLIAMS (CRNA)?
For scheduling context, MARY S WILLIAMS (CRNA) is shown as active in the registry.
How would a patient describe MARY S WILLIAMS (CRNA)'s focus?
For MARY S WILLIAMS (CRNA), the primary taxonomy reads as Certified Registered Nurse Anesthetist. Clinical services aligned with this taxonomy classification.
Is MARY S WILLIAMS (CRNA) associated with Melville?
Public fields place MARY S WILLIAMS (CRNA) around Melville, New York. Always confirm the exact site before visiting.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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