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EMLYN IRENE DIAKOW MD
NPI 1689237026
Otolaryngology - Pediatric Otolaryngology in New Haven, CT

Active since April 22, 2019PECOS Enrolled
YALE NEW HAVEN CHILDREN'S HOSPITAL, 1 PARK STREET, FL 2, NEW HAVEN, CT 06504(877) 925-3637 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2025, Aug 1, 2024, May 7, 2024 and 1 more (4 updates tracked since 2019).

About Emlyn Irene Diakow Md NPPES

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

EMLYN IRENE DIAKOW MD (NPI 1689237026) is an individual pediatric otolaryngology provider in New Haven, Connecticut, licensed in Connecticut (83133) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1689237026
Entity TypeIndividualFemale
Primary Taxonomy207YP0228X
Provider Legal NameEMLYN IRENE DIAKOWCredential: MD
Location AddressYALE NEW HAVEN CHILDREN'S HOSPITAL, 1 PARK STREET, FL 2New Haven, CT 06504
Mailing Address330 Cedar Street, Po Box 208041New Haven, CT 06510
Phone(877) 925-3637
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateApril 22, 2019
Last NPPES UpdateNovember 6, 20254 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
✔ NPI 1689237026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in CT · 83133
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 92997 (SC)
YALE NEW HAVEN CHILDREN'S HOSPITAL, New Haven, CT 06504
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Secondary Practice Locations 3

Location 1750 E Adams StSyracuse, NY 13210-2306 · Phone (315) 464-6478
Location 210 McClennan Banks DriveCharleston, SC 29425-2306 · Phone (845) 792-2300
Location 3330 Cedar StNew Haven, CT 06510-3218 · Phone (877) 925-3637

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emlyn Irene Diakow Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42750077
PECOS Enrollment IDI20260116003338
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

2

Medicare enrollment records show Emlyn Diakow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
1.7 mi
Anesthesiology
50 DIVISION ST
New Haven, CT 06511
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1205822236 (203) 785-2140
University Medical Associates
699 mi
Multi-Specialty
1200 JOHNNIE DODDS BLVD
Mt Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
  • 2,594 clinicians in this Medicare group
NPI 1437176039 (843) 792-1414

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

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 Emlyn Diakow's NPI number?

The NPI number for Emlyn Diakow is 1689237026. It was assigned to this individual provider in the NPPES registry on April 22, 2019.

Where is Emlyn Diakow located?

Emlyn Diakow practices at Yale New Haven Children's Hospital 1 Park Street, Fl 2, New Haven, CT 06504. The listed phone number is (877) 925-3637.

What is Emlyn Diakow's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Emlyn Diakow enrolled in Medicare?

Yes. Emlyn Diakow is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Emlyn Diakow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emlyn Diakow reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and University Medical Associates (Mt Pleasant, SC). 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 Emlyn Diakow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Emlyn Diakow was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.