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MR. DWAIN ANTHONY HAMILTON M.D.
NPI 1609932664
Anesthesiology in New Haven, CT

Active since December 27, 2006PECOS EnrolledAccepts Medicare Assignment
78.18/100
CMS Quality Rating
93 DIAMOND ST, NEW HAVEN, CT 06515(203) 387-7104(203) 387-7380 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 16, 2025, Dec 9, 2025 (2 updates tracked since 2025).

About Mr. Dwain Anthony Hamilton M.d. NPPES

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

MR. DWAIN ANTHONY HAMILTON M.D. (NPI 1609932664) is an individual anesthesiology provider in New Haven, Connecticut, licensed in Texas (W2174) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Winter Haven Hospital, and maintains a secondary practice location in Texarkana.

NPPES Registry Identity

NPI1609932664
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMR. DWAIN ANTHONY HAMILTONCredential: M.D.
Location Address93 DIAMOND STNew Haven, CT 06515-1317
Mailing Address93 Diamond StNew Haven, CT 06515-1317 · (203) 387-7104 · Fax (203) 387-7380
Phone(203) 387-7104
Fax(203) 387-7380
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1995
Enumeration DateDecember 27, 2006
Last NPPES UpdateDecember 16, 20252 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1609932664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in TX · W2174✔ Licensed in CT · 043656✔ Licensed in FL · ME98839
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
93 DIAMOND ST, New Haven, CT 06515
Open in Google Maps ↗

Secondary Practice Location 1

Location 12602 Saint Michael Dr Ste 301Texarkana, TX 75503-5206 · Phone (903) 614-5258

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

Mr. Dwain Anthony Hamilton 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 ID7719916402
PECOS Enrollment IDI20080219000159
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.

Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
32 services32 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
30 services29 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
26 services25 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
23 services23 patients

Hospital Affiliations CMS Care Compare 3

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

Winter Haven Hospital

Acute Care Hospitals · Winter Haven, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100052
Location200 Ave F NEWinter Haven, FL 33881 · Polk County
Emergency services Birthing friendly

St Josephs Hospital

Acute Care Hospitals · Tampa, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100075
Location3001 W Martin Luther King Jr BlvdTampa, FL 33677 · Hillsborough County
Emergency services Birthing friendly

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450801
Location2600 St Michael DrTexarkana, TX 75503 · Bowie County
Emergency services Birthing friendly

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.

78.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.54
Promoting Interoperability100
Improvement Activities40
Cost54.74

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 Dwain Hamilton's NPI number?

The NPI number for Dwain Hamilton is 1609932664. It was assigned to this individual provider in the NPPES registry on December 27, 2006.

Where is Dwain Hamilton located?

Dwain Hamilton practices at 93 Diamond St, New Haven, CT 06515. The listed phone number is (203) 387-7104.

What is Dwain Hamilton's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Dwain Hamilton enrolled in Medicare?

Yes. Dwain Hamilton 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 Dwain Hamilton affiliated with any hospitals?

According to CMS data, Dwain Hamilton is affiliated with Winter Haven Hospital, St Josephs Hospital and Christus St Michael Health System.

When was this NPI record last updated?

The NPPES record for Dwain Hamilton was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.