ARMISTEAD D WILLIAMS III M.D.
NPI 1073580908
Psychiatry & Neurology - Neurology in New York, NY

Active since February 28, 2006PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
521 W 57TH ST, 4TH FLOOR, NEW YORK, NY 10019(212) 265-8070(212) 523-8194 Get Directions Write a Review

NPPES record last updated: September 24, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Armistead D Williams Iii M.d. NPPES

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

ARMISTEAD D WILLIAMS III M.D. (NPI 1073580908) is an individual neurology provider in New York, New York, licensed in New York (238108) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2001).

NPPES Registry Identity

NPI1073580908
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameARMISTEAD D WILLIAMS IIICredential: M.D.
Location Address521 W 57TH ST, 4TH FLOORNew York, NY 10019-2901
Mailing AddressPo Box 18205Newark, NJ 07191-8205 · (212) 265-8070 · Fax (212) 523-8194
Fax(212) 523-8194
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2001
Enumeration DateFebruary 28, 2006
Last NPPES UpdateSeptember 24, 2012
NPI 1073580908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in NY · 238108
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
521 W 57TH ST, New York, NY 10019

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

Armistead D Williams Iii M.d. 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 ID4880600774
PECOS Enrollment IDI20060302000022
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 21

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.

Injection, ocrelizumab, 1 mg J2350
Ocrelizumab is a medication given via injection to manage conditions like Multiple Sclerosis. It helps control symptoms by targeting specific proteins in the immune system. This service involves injecting 1 mg of Ocrelizumab.
91,500 services88 patients
Injection, natalizumab, 1 mg J2323
Natalizumab is a medication given through injection to manage certain neurological conditions like multiple sclerosis. It works by affecting your immune system to limit inflammation that can damage nerves in your brain and spinal cord.
41,700 services16 patients
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg J1561
This is an injection of immune globulin, specifically Gamunex-C or Gammaked. It's a liquid form, not freeze-dried. Immune globulin is a blood product that helps your immune system to fight infections. It's given in a dose of 500 mg.
15,040 services19 patients
Injection, rituximab, 10 mg J9312
Rituximab is a medication given via injection. It's used to treat certain types of cancer and autoimmune diseases. The 10 mg dosage refers to the amount of the drug in the injection. It works by targeting and destroying specific cells, helping your body's immune system.
4,850 services29 patients
Administration of chemotherapy into vein, each additional hour 96415
Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.
607 services134 patients
Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366
This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.
599 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10019 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
1 supplier20 claims3,210 services$0.10 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
1 supplier20 claims3,210 services$1.44 avg. paid by Medicare
Intermittent urinary catheter, with insertion supplies A4353
DME-Orthotic Devices · category DF008N
3 suppliers38 claims8,400 services$6.71 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$42.33 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$907.03 avg. paid by Medicare
Repair or nonroutine service for durable medical equipment other than oxygen equipment requiring the skill of a technician, labor component, per 15 minutes K0739
DME-Other DME · category DE000N
6 suppliers13 claims75 services$21.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
521 W 57TH ST, SIXTH FLOOR
NEW YORK, NY 10019
Internal Medicine (Medical Oncology)
521 W 57TH ST, 4TH FLOOR
NEW YORK, NY 10019
Pathology (Anatomic Pathology)
521 W 57TH ST, GENZYME
NEW YORK, NY 10019
Pathology (Hematology)
521 W 57TH ST, 6TH FLOOR
NEW YORK, NY 10019
Pathology (Hematology)
521 W 57TH ST
NEW YORK, NY 10019
Pathology (Anatomic Pathology & Clinical Pathology)
521 W 57TH ST
NEW YORK, NY 10019
Clinical Medical Laboratory
521 W 57TH ST
NEW YORK, NY 10019
Medical Genetics, Ph.D. Medical Genetics
521 W 57TH ST
NEW YORK, NY 10019

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 Armistead Williams's NPI number?

The NPI number for Armistead Williams is 1073580908. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Armistead Williams located?

Armistead Williams practices at 521 W 57th St 4th Floor, New York, NY 10019. The listed phone number is (212) 265-8070.

What is Armistead Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Armistead Williams enrolled in Medicare?

Yes. Armistead 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.

When was this NPI record last updated?

The NPPES record for Armistead Williams was last updated on September 24, 2012. 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.