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DR. ARTHUR R WILLIAMS IV M.D., M.A.
NPI 1063739985
Psychiatry & Neurology - Addiction Psychiatry in New York, NY

Active since May 02, 2010PECOS EnrolledAccepts Medicare Assignment
228 PARK AVE S STE 15314, NEW YORK, NY 10003(866) 306-2026(833) 228-5591 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 12, 2024, Mar 24, 2023, Feb 20, 2023 and 2 more (5 updates tracked since 2022).

About Dr. Arthur R Williams Iv M.d., M.a. NPPES

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

DR. ARTHUR R WILLIAMS IV M.D., M.A. (NPI 1063739985) is an individual addiction psychiatry provider in New York, New York, licensed in New York (262149) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, maintains 19 additional practice locations, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1063739985
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameDR. ARTHUR R WILLIAMS IVCredential: M.D., M.A.
Location Address228 PARK AVE S STE 15314New York, NY 10003-1502
Mailing Address240 Central Park S # 2h-aNew York, NY 10019-1457 · (347) 857-8015
Phone(866) 306-2026
Fax(833) 228-5591
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateMay 2, 2010
Last NPPES UpdateOctober 20, 20255 updates tracked since enumeration
NPPES CertifiedOctober 20, 2025
✔ NPI 1063739985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
Licenses✔ Licensed in NY · 262149✔ Licensed in PA · MD472288
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License C1-0024636 (DE)
228 PARK AVE S STE 15314, New York, NY 10003
Open in Google Maps ↗

Secondary Practice Locations 19

Location 1167 Main St Ste 401CBrattleboro, VT 05301-3111 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 28885 SW Canyon Rd Ste 120Portland, OR 97225-3455 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 31016 W University Ave #219Flagstaff, AZ 86001-2997 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 4151 Main St Unit 8Salem, NH 03079-3109 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 51638 R St NW Ste 214Washington, DC 20009-6480 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 6750 W Custer Ave Ste 3Helena, MT 59602-0260 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 7500 Forest Ave Ste 1CPortland, ME 04101-1523 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 8801 W Bay Dr Ste 408Largo, FL 33770-3220 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 94305 Lacey Blvd SE Ste 20Lacey, WA 98503-2352 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 101644 Annapolis Rd Ste 4Odenton, MD 21113-1002 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 111449 Old Waterbury Rd Ste 205, Office BSouthbury, CT 06488-3926 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 12Autry Plaza Suite 205-O 1330 San Pedro Dr NEAlbuquerque, NM 87110-6749 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 136920 Miramar Rd Ste 329San Diego, CA 92121-2642 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 142221 Brickyard Rd Ste EAdel, IA 50003-8300 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 15464 Herndon Pkwy Ste 216Herndon, VA 20170-5200 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 16161 Cecil B Moore Ave Ste 204Philadelphia, PA 19122-3243 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 17240 Central Park S # 2H-ANew York, NY 10019-1457 · Phone (347) 857-8015
Location 18230 US Highway 206 Bldg 3 Ste 4Flanders, NJ 07836-9287 · Phone (866) 306-2026 · Fax (833) 228-5591
Location 195800 Ranchester Dr Ste 125Houston, TX 77036-2470 · Phone (866) 306-2026 · Fax (833) 228-5591

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arthur R Williams Iv M.d., M.a. 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 ID3072928480
PECOS Enrollment IDI20220405000824, I20220602001907, I20220722002987, I20221012000728, I20221025001676, I20221111001614, I20221115002339, I20230424002159, I20230605002676, I20240702003488, I20240826002494, I20241023000913, I20250403002440
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.

Other Providers at the Same Location NPPES 3

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

OPHELIA MEDICAL GROUP NY, P.C.
Psychiatry & Neurology (Addiction Medicine)
228 PARK AVE S STE 15314
NEW YORK, NY 10003
New York County (152) 585-2144
ROSHNI PATEL
Nurse Practitioner (Family)
228 PARK AVE S STE 15314
NEW YORK, NY 10003
New York County (866) 306-2026
ZAKARY WALIZADEH
Physician Assistant
228 PARK AVE S STE 15314
NEW YORK, NY 10003
New York County (215) 585-2144

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 Arthur Williams's NPI number?

The NPI number for Arthur Williams is 1063739985. It was assigned to this individual provider in the NPPES registry on May 2, 2010.

Where is Arthur Williams located?

Arthur Williams practices at 228 Park Ave S Ste 15314, New York, NY 10003. The listed phone number is (866) 306-2026.

What is Arthur Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Arthur Williams enrolled in Medicare?

Yes. Arthur 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.

What insurance does Arthur Williams accept?

Health plans from Blue Cross and Blue Shield of Montana and Highmark Blue Cross Blue Shield Delaware list Arthur Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Arthur Williams was last updated on October 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.