DR. WILLIAM STEPHEN SILVER M.D.
NPI 1720074172
Internal Medicine - Gastroenterology in West Nyack, NY

Q: What is William Silver's NPI number?

The NPI number for William Silver is 1720074172. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Q: What is William Silver's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for William Silver was last updated on April 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 September 21, 2005PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2 MEDICAL PARK DR, SUITE 14, WEST NYACK, NY 10994(845) 362-3300(845) 362-8001 Get Directions Write a Review

NPPES record last updated: April 20, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. William Stephen Silver M.d. NPPES

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

DR. WILLIAM STEPHEN SILVER M.D. (NPI 1720074172) is an individual gastroenterology provider in West Nyack, New York, licensed in New York (125290) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of Other (1972).

NPPES Registry Identity

NPI1720074172

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WILLIAM STEPHEN SILVERCredential: M.D.

Location Address2 MEDICAL PARK DR, SUITE 14West Nyack, NY 10994-1965

Mailing Address2 Medical Park Dr, Suite 14West Nyack, NY 10994-1965 · (845) 362-3300 · Fax (845) 362-8001

Phone(845) 362-3300

Fax(845) 362-8001

Sole ProprietorNo

Medical School CMSOtherGraduated 1972

Enumeration DateSeptember 21, 2005

Last NPPES UpdateApril 20, 2016

✔ NPI 1720074172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 125290

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

2 MEDICAL PARK DR, West Nyack, NY 10994

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified286841NY

Medicare UPINA61885NY

Medicaid00782958NY

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. William Stephen Silver 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 ID6204870843

PECOS Enrollment IDI20050615000248

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 14

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

325 services154 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.

187 services161 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.

125 services125 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

124 services117 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

60 services59 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

46 services46 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

45 services36 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

29 services29 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

27 services27 patients

Initial hospital care with same-day admission and discharge with straightforward or low level of medical decision making, per day, if using time, at least 45 minutes 99234

Hospital observation or inpatient care is a brief medical service where you're admitted and discharged on the same day. This typically lasts about 40 minutes and is for low severity issues. It involves monitoring your condition, administering necessary treatment, and ensuring your well-being before discharge.

22 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

19 services19 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

15 services15 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Nyack Hospital

Acute Care Hospitals · Nyack, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330104

Location160 North Midland AvenueNyack, NY 10960 · Rockland County

Birthing friendly

Good Samaritan Hospital Of Suffern

Acute Care Hospitals · Suffern, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330158

Location255 Lafayette AvenueSuffern, NY 10901 · Rockland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10994 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

98.82

Improvement Activities

Cost

83.14

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.

PALISADES PHYSICIAN

Clinic/Center (Pain)

2 MEDICAL PARK DR
WEST NYACK, NY 10994

Rockland County (845) 535-3098

LORRAINE OLIVERO-BRODEUR D.N.P.

Nurse Practitioner (Family)

2 MEDICAL PARK DR, SUITE 3
WEST NYACK, NY 10994

Rockland County (845) 727-7733

MRS. MARGARET MARY CARDAMONA FNP

Nurse Practitioner (Family)

2 MEDICAL PARK DR, SUITE 5
WEST NYACK, NY 10994

Rockland County (845) 703-6999

WILLIAM S. SILVER MD & ERIC L. TATAR MD PC

Internal Medicine (Gastroenterology)

2 MEDICAL PARK DR, SUITE 14
WEST NYACK, NY 10994

Rockland County (845) 362-3300

ALL AGES MEDICAL CARE, PLLC

Family Medicine

2 MEDICAL PARK DR, SUITE 5
WEST NYACK, NY 10994

Rockland County (845) 535-3007

ROCKLAND INTEGRATIVE MEDICINE, PLLC

Physical Medicine & Rehabilitation

2 MEDICAL PARK DR
WEST NYACK, NY 10994

Rockland County (845) 358-4000

DR. ERIC LEE TATAR MD

Internal Medicine (Gastroenterology)

2 MEDICAL PARK DR, SUITE 14
WEST NYACK, NY 10994

Rockland County (845) 362-3300

PALISADES PULMONARY & MEDICAL, P.C.

Specialist

2 MEDICAL PARK DR, SUITE 3
WEST NYACK, NY 10994

Rockland County (845) 638-0698

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 Silver's NPI number?

The NPI number for William Silver is 1720074172. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is William Silver located?

William Silver practices at 2 Medical Park Dr Suite 14, West Nyack, NY 10994. The listed phone number is (845) 362-3300.

What is William Silver's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Silver enrolled in Medicare?

Yes. William Silver 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 William Silver affiliated with any hospitals?

According to CMS data, William Silver is affiliated with Nyack Hospital and Good Samaritan Hospital Of Suffern.

When was this NPI record last updated?

The NPPES record for William Silver was last updated on April 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.