DYANN HOLLOWAY DALEY M.D.
NPI 1528027216
Anesthesiology in New Haven, CT

Active since March 21, 2006PECOS EnrolledAccepts Medicare Assignment
333 CEDAR ST, NEW HAVEN, CT 06510(203) 384-3716 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 21, 2026, May 6, 2025, Aug 23, 2024 and 1 more (4 updates tracked since 2022).

About Dyann Holloway Daley M.d. NPPES

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

DYANN HOLLOWAY DALEY M.D. (NPI 1528027216) is an individual anesthesiology provider in New Haven, Connecticut, licensed in Connecticut (80907) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1528027216
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDYANN HOLLOWAY DALEYCredential: M.D.
Location Address333 CEDAR STNew Haven, CT 06510-3206
Mailing Address333 Cedar StNew Haven, CT 06510-3206
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMarch 21, 2006
Last NPPES UpdateJanuary 21, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1528027216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CT · 80907✔ Licensed in SC · 92182✔ Licensed in CO · DR.0065502
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.
Also ListedAnesthesiology · Pediatric AnesthesiologyTaxonomy 207LP3000X · License M4816 (TX)
333 CEDAR ST, New Haven, CT 06510

Other Names 1

Former Name (1)Dyann Holloway

Secondary Practice Locations 3

Location 14450 Arapahoe Ave Ste 100Boulder, CO 80303-9102 · Phone (707) 320-7161
Location 27 Independence Pt Ste 300Greenville, SC 29615-4569 · Phone (864) 522-3700 · Fax (864) 522-3705
Location 34845 Alameda AveEl Paso, TX 79905-2705 · Phone (915) 298-5444 · Fax (915) 298-5444

Other Identifiers 3

Medicaid185342603TX
Other185342604TX · Cshcn
Other88418YTX · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dyann Holloway Daley 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 ID5890704696
PECOS Enrollment IDI20210506002762, I20251113002136
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Dyann Daley reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
Anesthesiology
5 RICHLAND MEDICAL PARK DR
Columbia, SC 29203
  • Reassigned Medicare billing, South Carolina enrollment
  • 3,281 clinicians in this Medicare group
Pediatrics
801 7TH AVE
Fort Worth, TX 76104
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Cook Childrens Physician Network
  • 1,186 clinicians in this Medicare group
Anesthesiology
4747 ARAPAHOE AVE
Boulder, CO 80303
  • Reassigned Medicare billing, Colorado enrollment
  • 93 clinicians in this Medicare group
Specialist
5400 ALAMEDA AVE BLDG B
El Paso, TX 79905
  • Reassigned Medicare billing, Texas enrollment
  • 59 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
68 services66 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.
13 services13 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
11 services11 patients

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.

Internal Medicine (Interventional Cardiology)
333 CEDAR ST, DCB 3
NEW HAVEN, CT 06510
Internal Medicine (Gastroenterology)
333 CEDAR ST, YNHH INTERNAL MEDICINE-GI,SECTION OF DIGESTIVE DISEASES
NEW HAVEN, CT 06510
Anesthesiology (Pediatric Anesthesiology)
333 CEDAR ST, TMP 3
NEW HAVEN, CT 06510
Student in an Organized Health Care Education/Training Program
333 CEDAR ST, YALE-NEW HAVEN HOSPITAL DEPARTMENT OF PEDIATRICS
NEW HAVEN, CT 06510
Anesthesiology
333 CEDAR ST
NEW HAVEN, CT 06510
Internal Medicine (Cardiovascular Disease)
333 CEDAR ST, FMP 3
NEW HAVEN, CT 06510
Nurse Practitioner (Psychiatric/Mental Health)
333 CEDAR ST
NEW HAVEN, CT 06510
Internal Medicine (Medical Oncology)
333 CEDAR ST
NEW HAVEN, CT 06510

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 Dyann Daley's NPI number?

The NPI number for Dyann Daley is 1528027216. It was assigned to this individual provider in the NPPES registry on March 21, 2006. The provider is also known as Dyann Holloway.

Where is Dyann Daley located?

Dyann Daley practices at 333 Cedar St, New Haven, CT 06510. The listed phone number is (203) 384-3716.

What is Dyann Daley's specialty?

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

Is Dyann Daley enrolled in Medicare?

Yes. Dyann Daley 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.

Which organizations bill Medicare for Dyann Daley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dyann Daley reassigns Medicare benefits to 5 organizations: Yale University (New Haven, CT), Prisma Health University Medical Group (Columbia, SC), Cook Children's Physician Network (Fort Worth, TX), Boulder Valley Anesthesiology, PLLC (Boulder, CO) and El Paso Children's Physician Group (El Paso, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dyann Daley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dyann Daley accept?

Health plans from Oscar Insurance Company list Dyann Daley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dyann Daley was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.