DR. WILLIAM PEYTON MILLER MD FAAP
NPI 1215974126
Pediatrics in Ottumwa, IA
About Dr. William Peyton Miller Md Faap NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM PEYTON MILLER MD FAAP (NPI 1215974126) is an individual pediatrics provider in Ottumwa, Iowa, licensed in Arkansas (E1002) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Van Buren.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Peyton Miller Md Faap is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Miller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hot Springs, SD 57747
- Reassigned Medicare billing, South Dakota enrollment
- 321 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OTTUMWA, IA 52501
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 William Miller's NPI number?
The NPI number for William Miller is 1215974126. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is William Miller located?
William Miller practices at 1001 Pennsylvania Ave, Ottumwa, IA 52501. The listed phone number is (641) 683-3448.
What is William Miller's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is William Miller enrolled in Medicare?
Yes. William Miller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Miller reassigns Medicare benefits to Monument Health Network, Inc. (Hot Springs, SD). 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 William Miller'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 William Miller was last updated on July 28, 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.
# Dr. William Peyton Miller, MD FAAP · NPI 1215974126
Pediatrics physician in Ottumwa, Iowa. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1215974126 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** E1002 (Arkansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 PENNSYLVANIA AVE, Ottumwa, IA 52501-6427
- **Phone:** (641) 683-3448
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Monument Health Network, Inc. (NPI 1588185268, Hot Springs, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 28, 2020
- **Other identifiers:** Medicaid 129666001 (AR)
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Source: [NPI Profile](https://npiprofile.com/npi/1215974126) · Data from the CMS NPPES public registry.