1. Home
  2. Directory
  3. Oklahoma
  4. Tulsa
  5. Obstetrics Gynecology
  6. NPI Profile

MELISSA A DIETZ, MD, LLC
NPI 1285022939
Obstetrics & Gynecology in Tulsa, OK

Active since January 05, 2015
1725 E 19TH ST, SUITE 401, TULSA, OK 74104(918) 749-1413(918) 749-0234 Get Directions Write a Review

NPPES record last updated: July 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 11, 2022, Oct 5, 2021, Jan 12, 2018 and 1 more (4 updates tracked since 2017).

About Melissa A Dietz, Md, Llc NPPES

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

MELISSA A DIETZ, MD, LLC (NPI 1285022939) is a healthcare organization registered as an obstetrics & gynecology in Tulsa, Oklahoma and active in the NPI registry since January 2015. The organization lists Melissa A Dietz, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1285022939
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameMELISSA A DIETZ, MD, LLC
Location Address1725 E 19TH ST, SUITE 401Tulsa, OK 74104-5437
Mailing Address1725 E 19th St Ste 401Tulsa, OK 74104-5409 · (918) 749-1413 · Fax (918) 749-0234
Phone(918) 749-1413
Fax(918) 749-0234
Organization SubpartNo
Authorized OfficialMelissa A DietzManaging Member · (918) 749-1413
Enumeration DateJanuary 5, 2015
Last NPPES UpdateJuly 11, 20224 updates tracked since enumeration
NPPES CertifiedJuly 11, 2022
✔ NPI 1285022939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in OK · 24521
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1725 E 19TH ST, Tulsa, OK 74104
Open in Google Maps ↗

Other Identifiers 2

Medicaid200567150AOK
Medicaid200125470AOK

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa A Dietz, Md, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Melissa A Dietz, MD, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Melissa Dietz, M.D.
Obstetrics/Gynecology
NPI 1558581116
1919 S WHEELING AVE STE 504
Tulsa, OK 74104
(918) 301-2505
✔ PECOS✔ Accepts Medicare0.2 mi

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 Melissa A Dietz, MD, LLC's NPI number?

The NPI number for Melissa A Dietz, MD, LLC is 1285022939. It was assigned to this organization in the NPPES registry on January 5, 2015.

Where is Melissa A Dietz, MD, LLC located?

Melissa A Dietz, MD, LLC is located at 1725 E 19th St Suite 401, Tulsa, OK 74104. The listed phone number is (918) 749-1413.

What is Melissa A Dietz, MD, LLC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Melissa A Dietz, MD, LLC enrolled in Medicare?

Yes. Melissa A Dietz, MD, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Melissa A Dietz, MD, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Melissa A Dietz, MD, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Melissa A Dietz, MD, LLC was last updated on July 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.