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WILLIAM SACKS MD
NPI 1871537548
Internal Medicine in Milford, CT

Active since June 15, 2006PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
300 SEASIDE AVENUE, MILFORD HOSPITAL, MILFORD, CT 06460(203) 876-4000 Get Directions Write a Review

NPPES record last updated: September 19, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Sacks Md NPPES

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

WILLIAM SACKS MD (NPI 1871537548) is an individual internal medicine provider in Milford, Connecticut, licensed in Connecticut (027774) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1983).

NPPES Registry Identity

NPI1871537548
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM SACKSCredential: MD
Location Address300 SEASIDE AVENUE, MILFORD HOSPITALMilford, CT 06460
Mailing Address345 Joan DrFairfield, CT 06824-2238 · (203) 259-5468
Phone(203) 876-4000
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1983
Enumeration DateJune 15, 2006
Last NPPES UpdateSeptember 19, 2015
✔ NPI 1871537548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 027774
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 162917-1 (NY)
300 SEASIDE AVENUE, Milford, CT 06460
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Other Identifiers 2

Medicare ID-Type Unspecified800V51NY
Medicare UPINE28440

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

William Sacks Md 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 ID8224934005
PECOS Enrollment IDI20080228000258
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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
337 services312 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
62 services60 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
51 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06460 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability100
Improvement Activities40
Cost59.59

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%136 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
98%58 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
71%159 patients3/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
40%159 patients2/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
3%159 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
10%159 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

DR. RICHARD JAMES GIVEN MD
Specialist
300 SEASIDE AVENUE
MILFORD, CT 06460
South Central Connecticut Planning Region (203) 783-1831
NALIN PERERA M.D.
Emergency Medicine
300 SEASIDE AVENUE
MILFORD, CT 06460
South Central Connecticut Planning Region (203) 876-4100

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 Sacks's NPI number?

The NPI number for William Sacks is 1871537548. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is William Sacks located?

William Sacks practices at 300 Seaside Avenue Milford Hospital, Milford, CT 06460. The listed phone number is (203) 876-4000.

What is William Sacks's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Sacks enrolled in Medicare?

Yes. William Sacks 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 William Sacks was last updated on September 19, 2015. 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.