WILLIAM B. SULLIVAN N.P.
NPI 1457542979
Nurse Practitioner - Gerontology in New York, NY

Q: What is William Sullivan's NPI number?

The NPI number for William Sullivan is 1457542979. It was assigned to this individual provider in the NPPES registry on August 8, 2007.

Q: What is William Sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Q: When was this NPI record last updated?

The NPPES record for William Sullivan was last updated on June 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 August 08, 2007PECOS Enrolled

423 E 23RD ST, DEPT OF NEUROLOGY, NEW YORK, NY 10010(415) 707-9728 Get Directions Write a Review

NPPES record last updated: June 24, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William B. Sullivan N.p. NPPES

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

WILLIAM B. SULLIVAN N.P. (NPI 1457542979) is an individual gerontology provider in New York, New York, licensed in California (14982) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457542979

Entity TypeIndividualMale

Primary Taxonomy363LG0600X

Provider Legal NameWILLIAM B. SULLIVANCredential: N.P.

Location Address423 E 23RD ST, DEPT OF NEUROLOGYNew York, NY 10010-5011

Mailing Address180 W 20th St, Apt. 7pNew York, NY 10011-3649 · (415) 707-9728

Phone(415) 707-9728

Sole ProprietorNo

Enumeration DateAugust 8, 2007

Last NPPES UpdateJune 24, 2013

✔ NPI 1457542979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LG0600X

License✔ Licensed in CA · 14982

423 E 23RD ST, New York, NY 10010

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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)

William B. Sullivan N.p. 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

61 services21 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

33 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10010 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

$102.04 typical visit price

range $65.69 – $198.19

Typical copayment $25.51 (range $16.42 – $49.54)

Most-billed visit code 99203

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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.

DR. JASON H EPSTEIN MD

Anesthesiology (Pain Medicine)

423 E 23RD ST
NEW YORK, NY 10010

New York County (212) 686-7500

MR. GREG DATILES GONZALES RRT-NPS, RPFT, AEC

Respiratory Therapist, Registered (Critical Care)

423 E 23RD ST, RESPIRATORY CARE SERVICES ROOM 13095S
NEW YORK, NY 10010

New York County (212) 686-7500

DR. LAMONT JORDAN BARLOW

Urology

423 E 23RD ST
NEW YORK, NY 10010

New York County (212) 686-7500

MRS. PASCALE FILS-AIME RRT

Respiratory Therapist, Registered (General Care)

423 E 23RD ST, RESPIRATORY CARE RM 13090S
NEW YORK, NY 10010

New York County (212) 686-7500

MS. COURTNEY DUNN LCSW

Social Worker (Clinical)

423 E 23RD ST
NEW YORK, NY 10010

New York County (212) 686-7500

DR. PATRICK COLIN MALLOY M.D.

Radiology (Vascular & Interventional Radiology)

423 E 23RD ST, RADIOLOGY SERVICE
NEW YORK, NY 10010

New York County (212) 686-7500

CARLA ASSENZA LMSW

Social Worker

423 E 23RD ST
NEW YORK, NY 10010

New York County (212) 686-7500

CARA MARY OCHSENREITER LMSW

Social Worker

423 E 23RD ST
NEW YORK, NY 10010

New York County (347) 216-5546

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 William Sullivan's NPI number?

The NPI number for William Sullivan is 1457542979. It was assigned to this individual provider in the NPPES registry on August 8, 2007.

Where is William Sullivan located?

William Sullivan practices at 423 E 23rd St Dept Of Neurology, New York, NY 10010. The listed phone number is (415) 707-9728.

What is William Sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is William Sullivan enrolled in Medicare?

Yes. William Sullivan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Sullivan was last updated on June 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.