DR. SANDRA A. BLOCK M.D.
NPI 1205806627
Psychiatry & Neurology - Sleep Medicine in Williamsville, NY

Q: What is Sandra Block's NPI number?

The NPI number for Sandra Block is 1205806627. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Q: What is Sandra Block's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Q: When was this NPI record last updated?

The NPPES record for Sandra Block was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 January 26, 2006PECOS EnrolledAccepts Medicare Assignment

325 ESSJAY RD, SUITE 210, WILLIAMSVILLE, NY 14221(716) 630-1122(716) 250-5924 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jan 9, 2026, Dec 5, 2021, Jun 20, 2019 and 2 more (5 updates tracked since 2016).

On this page

About Dr. Sandra A. Block M.d. NPPES

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

DR. SANDRA A. BLOCK M.D. (NPI 1205806627) is an individual sleep medicine provider in Williamsville, New York, licensed in New York (216425) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Memorial University Medical Center, and maintains a secondary practice location in Tampa.

NPPES Registry Identity

NPI1205806627

Entity TypeIndividualFemale

Primary Taxonomy2084S0012X

Provider Legal NameDR. SANDRA A. BLOCKCredential: M.D.

Location Address325 ESSJAY RD, SUITE 210Williamsville, NY 14221-8243

Mailing Address425 Essjay Rd Ste 170Williamsville, NY 14221-8235 · (716) 630-1219 · Fax (716) 817-1726

Phone(716) 630-1122

Fax(716) 250-5924

Sole ProprietorNo

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1997

Enumeration DateJanuary 26, 2006

Last NPPES UpdateJanuary 9, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 9, 2026

✔ NPI 1205806627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084S0012X

License✔ Licensed in NY · 216425

Definition

A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 216425 (NY)

325 ESSJAY RD, Williamsville, NY 14221

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Secondary Practice Location 1

Location 1400 N Ashley DriveTampa, FL 33602-4300 · Phone (484) 351-8459

Other Identifiers 1

OtherDD2364NY · Medicare Id

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. Sandra A. Block 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 ID3870580939

PECOS Enrollment IDI20040429000723

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 17

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.

Placement of skin electrodes and measurement of stimulated sites on arms and legs 95938

This procedure involves placing small pads (electrodes) on your arms and legs. These electrodes send gentle electric signals to specific areas, and the responses are measured. This helps assess the health of your nerves and muscles.

271 services270 patients

Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) G0453

Continuous intraoperative neurophysiology monitoring is a service where a specialist oversees your nervous system's function during surgery, from a nearby or remote location. This is done every 15 minutes and is focused solely on you. It helps ensure surgical safety by identifying any potential nervous system changes promptly.

258 services54 patients

Measurement of brain wave activity (eeg) outside the brain during surgery 95955

An EEG (Electroencephalogram) during surgery monitors brain activity. Electrodes on the scalp record brain wave patterns, helping doctors ensure the brain is functioning normally throughout the procedure.

150 services149 patients

Placement of skin electrodes and measurement of central motor stimulation in arms and legs 95939

This procedure involves placing small patches (electrodes) on your skin over your arms and legs. These electrodes send harmless electrical signals to your muscles. The response is measured to assess the health and function of your nerves and muscles.

149 services148 patients

Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 95870

This procedure, known as an electromyography (EMG), involves using a needle to measure electrical activity in your muscles. It can help diagnose conditions affecting nerves or muscles. It's a limited study, meaning only specific muscles in the arm, leg, trunk, or head are examined.

90 services46 patients

Needle measurement of electrical activity in arm or leg muscles, 2 extremities 95861

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. It helps diagnose conditions affecting nerves or muscles. It's generally painless, though you may feel some discomfort.

81 services80 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

77 services72 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

73 services39 patients

Needle measurement of electrical activity in arm or leg muscles, limited study 95885

This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.

34 services17 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

24 services24 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

23 services23 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

22 services16 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

20 services20 patients

Nerve conduction, 3-4 studies 95908

Nerve conduction studies are tests that measure how well your nerves are working. In a 3-4 studies procedure, electrical signals are sent through 3-4 nerves. The speed and strength of the signal's travel is recorded to detect any nerve damage or dysfunction.

19 services19 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

14 services14 patients

Nerve conduction, 1-2 studies 95907

Nerve conduction studies are tests that measure how well your nerves are working. In a 1-2 studies procedure, a small electrical current is applied to 1 or 2 specific nerves. This helps to identify any nerve damage or dysfunction by assessing the speed and strength of nerve signals.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial University Medical Center

Acute Care Hospitals · Savannah, GA

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number110036

Location4700 Waters AvenueSavannah, GA 31404 · Chatham County

Emergency services Birthing friendly

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330219

Location462 Grider StreetBuffalo, NY 14215 · Erie County

Emergency services

University Of Cincinnati Medical Center, LLC

Acute Care Hospitals · Cincinnati, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360003

Location3188 Bellevue AvenueCincinnati, OH 45219 · Hamilton County

Emergency services Birthing friendly

Kettering Health Main Campus

Acute Care Hospitals · Kettering, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360079

Location3535 Southern BoulevardKettering, OH 45429 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

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.

Referred Medical Equipment & Supplies CMS DME claims 15

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

11 suppliers259 claims259 services$33.07 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

12 suppliers201 claims201 services$72.28 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

13 suppliers196 claims495 services$27.82 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

15 suppliers126 claims709 services$15.42 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

12 suppliers59 claims315 services$12.23 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

16 suppliers189 claims189 services$45.23 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.

MARIA KONTOS DO

Internal Medicine

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 656-4463

ANTHONY J RICOTTA JR. D.P.T.

Physical Therapist

325 ESSJAY RD, SUITE 305
WILLIAMSVILLE, NY 14221

Erie County (716) 631-3555

DR. LORI E. ULLMAN M.D.

Dermatology

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1136

DR. SUKHWINDER SINGH KODIAL M.D.

Family Medicine (Adult Medicine)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1143

MARIA RUTH REGER PA

Physician Assistant (Medical)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 631-3839

MANJU ALEX MD

Internal Medicine (Nephrology)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1138

MS. REEMA W BAWAB RPA-C

Physician Assistant

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1146

NANCY KAWECKI

Nurse Practitioner (Family)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 857-8607

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 Sandra Block's NPI number?

The NPI number for Sandra Block is 1205806627. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Sandra Block located?

Sandra Block practices at 325 Essjay Rd Suite 210, Williamsville, NY 14221. The listed phone number is (716) 630-1122.

What is Sandra Block's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Is Sandra Block enrolled in Medicare?

Yes. Sandra Block 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.

Is Sandra Block affiliated with any hospitals?

According to CMS data, Sandra Block is affiliated with Memorial University Medical Center, North Shore University Hospital, Erie County Medical Center, University Of Cincinnati Medical Center, LLC and Kettering Health Main Campus.

When was this NPI record last updated?

The NPPES record for Sandra Block was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.