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DR. WILLIAM GRAY M.D.
NPI 1033402862
Internal Medicine in Derby, CT

Active since May 26, 2011PECOS Enrolled
75/100
CMS Quality Rating
130 DIVISION ST, DERBY, CT 06418(203) 732-1330(203) 732-1332 Get Directions Write a Review

NPPES record last updated: October 14, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 14, 2019, Mar 17, 2018, Jul 20, 2017 (3 updates tracked since 2017).

About Dr. William Gray M.d. NPPES

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

DR. WILLIAM GRAY M.D. (NPI 1033402862) is an individual internal medicine provider in Derby, Connecticut, licensed in Connecticut (51115) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033402862
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM GRAYCredential: M.D.
Location Address130 DIVISION STDerby, CT 06418
Mailing Address67 Maple Ave Fl 2Derby, CT 06418-1328 · (203) 732-1330 · Fax (203) 732-1332
Phone(203) 732-1330
Fax(203) 732-1332
Sole ProprietorNo
Enumeration DateMay 26, 2011
Last NPPES UpdateOctober 14, 20193 updates tracked since enumeration
✔ NPI 1033402862 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 · 51115
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 ListedHospitalistTaxonomy 208M00000X · License 51115 (CT)
130 DIVISION ST, Derby, CT 06418
Open in Google Maps ↗

Other Identifiers 1

Other51115CT · License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Gray M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 4

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
2,143 services439 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
611 services285 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
395 services380 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
295 services215 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06418 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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Reported Quality Measures

Diabetes: Foot Exam
The percentage of patients 18-75 years of age with diabetes (type 1 and type 2) who received a foot exam (visual inspection and sensory exam with mono filament and a pulse exam) during the measurement year
92%100 patients4/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
39%965 patients1/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
89%267 patients4/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
14%400 patients1/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 98% · 481 patients
Patients tobacco: 81% · 481 patients
9%88 patients1/55-star benchmark: 98%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 268 patients
0%268 patients5/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Composite dressing, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6203
DME-Medical/Surgical Supplies · category DA023N
1 supplier14 claims430 services$3.24 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.

MRS. CHRISTINA ERNST MS,RD,CDN
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7579
STACEY LEARY RD, CDN, CNSC
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7585
GENEVIEVE CECILE KELA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7327
DR. DWAYNE ALANSIER HALL DNP
Nurse Practitioner
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421
DR. SYBIL CHENG D.O.
Emergency Medicine (Emergency Medical Services)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7403
PETER J. INTEGLIA CRNA
Nurse Anesthetist, Certified Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-6493
RORY V CONDON MSN, MA
Nurse Practitioner (Psychiatric/Mental Health)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 887-0604
TRENT GARCIA MD
Student in an Organized Health Care Education/Training Program
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421

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 Gray's NPI number?

The NPI number for William Gray is 1033402862. It was assigned to this individual provider in the NPPES registry on May 26, 2011.

Where is William Gray located?

William Gray practices at 130 Division St, Derby, CT 06418. The listed phone number is (203) 732-1330.

What is William Gray's specialty?

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

Is William Gray enrolled in Medicare?

Yes. William Gray is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Gray was last updated on October 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.