Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MELISSA DAY MD
NPI 1811457187
Pediatrics - Pediatric Infectious Diseases in Cincinnati, OH

Q: What is Melissa Day's NPI number?

The NPI number for Melissa Day is 1811457187. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Q: What is Melissa Day's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Day was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.

Active since March 22, 2019PECOS EnrolledAccepts Medicare Assignment

3333 BURNET AVE, MLC 7017, CINCINNATI, OH 45229(513) 636-4578(513) 636-7039 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2026, Jun 17, 2025, Mar 22, 2019 (3 updates tracked since 2019).

On this page

About Melissa Day Md NPPES

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

MELISSA DAY MD (NPI 1811457187) is an individual pediatric infectious diseases provider in Cincinnati, Ohio, licensed in Ohio (35.144392) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2019).

NPPES Registry Identity

NPI1811457187

Entity TypeIndividualFemale

Primary Taxonomy2080P0208X

Provider Legal NameMELISSA DAYCredential: MD

Location Address3333 BURNET AVE, MLC 7017Cincinnati, OH 45229-3026

Mailing Address3333 Burnet Ave # Mlc7017Cincinnati, OH 45229-3026 · (513) 636-4578 · Fax (513) 636-7039

Phone(513) 636-4578

Fax(513) 636-7039

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2019

Enumeration DateMarch 22, 2019

Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 1, 2026

✔ NPI 1811457187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Infectious DiseasesAllopathic & Osteopathic Physicians

Taxonomy Code2080P0208X

License✔ Licensed in OH · 35.144392

Definition

A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses, underlying diseases that predispose to unusual or severe infections, unclear diagnoses, uncommon diseases and complex or investigational treatments.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3333 BURNET AVE, Cincinnati, OH 45229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual.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

Melissa Day 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 ID3476052838

PECOS Enrollment IDI20250814001909

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 Reassignment

Medicare enrollment records show Melissa Day reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Medical Center

Same address

Pediatrics

3333 BURNET AVENUE
Cincinnati, OH 45229

Reassigned Medicare billing, Ohio enrollment
2,080 clinicians in this Medicare group

NPI 1609915784 (513) 636-4225

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

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.

PREEYACHA PACHARN M.D.

Radiology (Pediatric Radiology)

3333 BURNET AVE, ML 5031
CINCINNATI, OH 45229

Hamilton County (513) 636-4251

BRIAN KEITH TURPIN D.O.

Pediatrics (Pediatric Hematology-Oncology)

3333 BURNET AVE
CINCINNATI, OH 45229

Hamilton County (513) 636-3381

ETHAN J MUSGRAVE M.D.

Psychiatry & Neurology (Child & Adolescent Psychiatry)

3333 BURNET AVE, ML 3014
CINCINNATI, OH 45229

Hamilton County (513) 636-4788

KATHRYN WEAVER M.D.

Medical Genetics (Clinical Genetics (M.D.))

3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229

Hamilton County (513) 636-4760

ROBIN T COTTON, MD, INC

Otolaryngology (Pediatric Otolaryngology)

3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229

Hamilton County (513) 636-7138

ELIZABETH ANN MOORE CNP

Nurse Practitioner (Acute Care)

3333 BURNET AVE, ML 2003
CINCINNATI, OH 45229

Hamilton County (513) 636-4432

CONSTANCE MARIE MARTIN CNP

Nurse Practitioner (Primary Care)

3333 BURNET AVE, ML 2018
CINCINNATI, OH 45229

Hamilton County (513) 636-4355

EMILY RENAE LY LSW

Case Manager/Care Coordinator

3333 BURNET AVE
CINCINNATI, OH 45229

Hamilton County (513) 803-6316

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 Melissa Day's NPI number?

The NPI number for Melissa Day is 1811457187. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Melissa Day located?

Melissa Day practices at 3333 Burnet Ave Mlc 7017, Cincinnati, OH 45229. The listed phone number is (513) 636-4578.

What is Melissa Day's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.

Is Melissa Day enrolled in Medicare?

Yes. Melissa Day 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 organization bills Medicare for Melissa Day's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Day reassigns Medicare benefits to Children's Hospital Medical Center (Cincinnati, OH). The 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 Melissa Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Day accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and MedMutual list Melissa Day 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 Melissa Day was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.