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

Q: What is the provider's specialty?

The provider's specialty is Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

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: July 19, 2026.

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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, is affiliated with Mount Sinai Beth Israel, 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

Phone(212) 265-8070

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

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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 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 2024 & 2026 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.

96,900 services97 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.

55,201 services22 patients

Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg J1568

This procedure involves an intravenous injection of Octagam, a liquid immune globulin. It is a blood product that helps your body fight off infections. It's given through a vein (IV) and each dose contains 500 mg of the medication.

7,030 services12 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.

6,900 services35 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.

6,790 services14 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.

675 services145 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.

561 services36 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

355 services42 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

271 services143 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

262 services145 patients

Established patient office or other outpatient visit, 40-54 minutes 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

248 services162 patients

Infusion, normal saline solution, sterile (500 ml = 1 unit) J7040

An infusion of a normal saline solution is a common medical procedure. Sterile saline (salt water) is administered into your bloodstream via a drip. This helps to maintain fluid balance in your body, especially when you're unable to drink enough liquids.

245 services101 patients

Injection, baclofen, 10 mg J0475

Baclofen 10 mg injection is a medication procedure to manage muscle spasms caused by certain conditions. It works by relaxing the muscles, reducing pain and improving movement. It's administered via injection by a healthcare professional.

239 services33 patients

Injection, hydrocortisone sodium succinate, up to 100 mg J1720

Hydrocortisone sodium succinate injection is a medication given to treat various conditions like allergies, skin conditions, arthritis, or breathing disorders. It works by reducing inflammation and the body's immune response. The dose, up to 100 mg, depends on your condition.

190 services106 patients

Electronic analysis reprogramming and refill of spinal canal drug infusion pump by physician 62370

This procedure involves a physician checking and adjusting your spinal canal drug infusion pump. The pump's programming is updated electronically and the medication reservoir is refilled, ensuring effective pain management and optimal device performance.

122 services39 patients

Removal of cerebrospinal fluid with lower back spinal tap for diagnostic test 62270

A lower back spinal tap involves inserting a needle into the lower back to collect cerebrospinal fluid. This fluid surrounds your brain and spinal cord. The test helps diagnose conditions like infections or diseases of the nervous system.

85 services22 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

73 services61 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

70 services35 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

52 services36 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

34 services13 patients

Electronic analysis and reprogramming of spinal canal drug infusion pump 62368

This procedure involves the use of technology to assess and adjust a medication pump, implanted near the spine. The pump delivers precise doses of medication directly into the spinal canal to manage pain or spasticity. The reprogramming ensures optimal treatment.

29 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Sinai Beth Israel

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330169

LocationFirst Avenue At 16th StreetNew York, NY 10003 · New York County

Emergency services

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

Quality

Improvement Activities

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.

DR. STAVRA N. ROMAS M.D.

Psychiatry & Neurology (Neurology)

521 W 57TH ST, 4TH FL
NEW YORK, NY 10019

New York County (212) 265-8070

DR. D PAL SINGH-KAHLON PH.D.

Specialist/Technologist, Other (Geneticist, Medical (PhD))

521 W 57TH ST, 5TH FLOOR
NEW YORK, NY 10019

New York County (212) 485-0740

MICHAEL B BROSCIUS MD

Pathology (Anatomic Pathology & Clinical Pathology)

521 W 57TH ST
NEW YORK, NY 10019

New York County (212) 314-8698

GENZYME CORPORATION

Clinical Medical Laboratory

521 W 57TH ST
NEW YORK, NY 10019

New York County (212) 698-0300

JEFFREY A. SCHRAGER MD

Pathology (Hematology)

521 W 57TH ST, 6TH FLOOR
NEW YORK, NY 10019

New York County (212) 485-0766

EMILY EISENBERG

Registered Nurse

521 W 57TH ST, 4TH FLOOR
NEW YORK, NY 10019

New York County (212) 265-8070

CATHERINE BROWN NP

Nurse Practitioner (Adult Health)

521 W 57TH ST, 4TH FL
NEW YORK, NY 10019

New York County (212) 265-8070

ANDREA AVOLIO

Registered Nurse

521 W 57TH ST, 4TH FL
NEW YORK, NY 10019

New York County (212) 265-8070

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

About Armistead D Williams Iii M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 21

Hospital Affiliations CMS Care Compare

Mount Sinai Beth Israel

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Referred Medical Equipment & Supplies CMS DME claims 6

Other Providers at the Same Location NPPES 20

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