1. Home
  2. Directory
  3. Oklahoma
  4. City
  5. Pediatrics
  6. NPI Profile

RYAN KISER MD
NPI 1144751165
Pediatrics - Pediatric Hematology-Oncology in Oklahoma City, OK

Active since March 22, 2017PECOS Enrolled
1200 CHILDRENS AVE # 14500, OKLAHOMA CITY, OK 73104(405) 271-5312 Get Directions Write a Review

NPPES record last updated: May 18, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2020, Jun 22, 2017, Mar 22, 2017 (3 updates tracked since 2017).

About Ryan Kiser Md NPPES

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

RYAN KISER MD (NPI 1144751165) is an individual pediatric hematology-oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (35517) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Albuquerque.

NPPES Registry Identity

NPI1144751165
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameRYAN KISERCredential: MD
Location Address1200 CHILDRENS AVE # 14500Oklahoma City, OK 73104-4637
Mailing Address933 Bradbury Dr Se, Suite 2222Albuquerque, NM 87106-4374 · (505) 272-3120 · Fax (505) 272-8060
Phone(405) 271-5312
Sole ProprietorNo
Enumeration DateMarch 22, 2017
Last NPPES UpdateMay 18, 20203 updates tracked since enumeration
NPPES CertifiedMay 18, 2020
✔ NPI 1144751165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in OK · 35517
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License RS2017-0327 (NM)
1200 CHILDRENS AVE # 14500, Oklahoma City, OK 73104
Open in Google Maps ↗

Secondary Practice Location 1

Location 12211 Lomas Blvd NEAlbuquerque, NM 87106-2719 · Phone (505) 272-5551 · Fax (505) 272-6845

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Mending Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Kiser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Ryan Kiser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ou Health Partners, Inc
Same address
Multi-Specialty
1200 CHILDRENS AVE STE 11200
Oklahoma City, OK 73104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,795 clinicians in this Medicare group
NPI 1528642642 (405) 271-3932
Presbyterian Healthcare Services
334 mi
Rural
2100 MARTIN LUTHER KING JR BLVD
Clovis, NM 88101
  • Reassigned Medicare billing, New Mexico enrollment
  • 2,331 clinicians in this Medicare group
NPI 1629053509 (505) 469-7577
Roswell Clinic Corp
425 mi
Family Medicine
350 W COUNTRY CLUB RD, STE 201
Roswell, NM 88201
  • Reassigned Medicare billing, New Mexico enrollment
  • 69 clinicians in this Medicare group
NPI 1649267618 (888) 801-5554

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 Ryan Kiser's NPI number?

The NPI number for Ryan Kiser is 1144751165. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Where is Ryan Kiser located?

Ryan Kiser practices at 1200 Childrens Ave # 14500, Oklahoma City, OK 73104. The listed phone number is (405) 271-5312.

What is Ryan Kiser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Ryan Kiser enrolled in Medicare?

Yes. Ryan Kiser is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ryan Kiser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Kiser reassigns Medicare benefits to 3 organizations: Ou Health Partners, Inc (Oklahoma City, OK), Presbyterian Healthcare Services (Clovis, NM) and Roswell Clinic Corp (Roswell, NM). 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 Ryan Kiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan Kiser accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Ryan Kiser 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 Ryan Kiser was last updated on May 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.