1. Home
  2. Directory
  3. Iowa
  4. Des Moines
  5. Orthopaedic Surgery
  6. NPI Profile

DR. STEPHEN LOTHROP CARVETH MD
NPI 1225558638
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Des Moines, IA

Active since June 27, 2017PECOS EnrolledAccepts Medicare Assignment
81.57/100
CMS Quality Rating
450 LAUREL ST STE A, DES MOINES, IA 50314(515) 247-8400(515) 248-8888 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 11, 2025, May 3, 2022, Jun 27, 2017 (3 updates tracked since 2017).

About Dr. Stephen Lothrop Carveth Md NPPES

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

DR. STEPHEN LOTHROP CARVETH MD (NPI 1225558638) is an individual pediatric orthopaedic surgery provider in Des Moines, Iowa, licensed in Iowa (MD-51217) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1225558638
Entity TypeIndividualMale
Primary Taxonomy207XP3100X
Provider Legal NameDR. STEPHEN LOTHROP CARVETHCredential: MD
Location Address450 LAUREL ST STE ADes Moines, IA 50314-3045
Mailing Address450 Laurel St Ste ADes Moines, IA 50314-3045 · (515) 247-8400 · Fax (515) 248-8888
Phone(515) 247-8400
Fax(515) 248-8888
Sole ProprietorNo
Medical School CMSOakland Univ, William Beaumont School Of MedicineGraduated 2017
Enumeration DateJune 27, 2017
Last NPPES UpdateNovember 11, 20253 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1225558638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in IA · MD-51217
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 4301112502 (MI), A178177 (CA)
450 LAUREL ST STE A, Des Moines, IA 50314
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1710 E 1st StAnkeny, IA 50021-2128 · Phone (515) 247-8400 · Fax (515) 248-8888
Location 25300 NW 86th St Ste 500Johnston, IA 50131-3164 · Phone (515) 247-8400 · Fax (515) 248-8888

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, UnitedHealthcare, Wellmark Health Plan of Iowa, Inc..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

Dr. Stephen Lothrop Carveth 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 ID3476822412
PECOS Enrollment IDI20230718000994
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 Stephen Carveth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Iowa Orthopaedic Center, P.C.
Same address
Diagnostic Radiology
450 LAUREL ST, STE C
Des Moines, IA 50314
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: Iowa Orthopaedic Center PC
  • 69 clinicians in this Medicare group
NPI 1164600227 (515) 247-9590
Central Iowa Hospital Corporation
0.7 mi
Pediatrics
1200 PLEASANT ST
Des Moines, IA 50309
  • Reassigned Medicare billing, Iowa enrollment
  • 545 clinicians in this Medicare group
NPI 1144309188 (515) 241-5926

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercyone Des Moines Medical Center

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160083
Location1111 6th AveDes Moines, IA 50314 · Polk County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.36
Promoting Interoperability98
Improvement Activities40
Cost57.88

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.

ALYSSA JADE HOMEWOOD PA-C
Physician Assistant
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
JULIE ANGELL EARP DPT
Physical Therapist
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
KAMALDEEN TOYOSI ADERIBIGBE M.D
Orthopaedic Surgery (Orthopaedic Trauma)
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
DR. ZE-HUI HAN M.D.
Surgery (Surgery of the Hand)
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
ASHLEY FRENCH OTD
Occupational Therapist
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
CHASE M MORRISON DPT
Physical Therapist
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
JOHN WESLEY RAYBURN MD
Physical Medicine & Rehabilitation (Pain Medicine)
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400
STEVIN STURTZ PT, DPT
Physical Therapist
450 LAUREL ST STE A
DES MOINES, IA 50314
Polk County (515) 247-8400

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 Stephen Carveth's NPI number?

The NPI number for Stephen Carveth is 1225558638. It was assigned to this individual provider in the NPPES registry on June 27, 2017.

Where is Stephen Carveth located?

Stephen Carveth practices at 450 Laurel St Ste A, Des Moines, IA 50314. The listed phone number is (515) 247-8400.

What is Stephen Carveth's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Stephen Carveth enrolled in Medicare?

Yes. Stephen Carveth 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 organizations bill Medicare for Stephen Carveth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Carveth reassigns Medicare benefits to 2 organizations: Iowa Orthopaedic Center, P.C. (Des Moines, IA) and Central Iowa Hospital Corporation (Des Moines, IA). 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 Stephen Carveth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Carveth accept?

Health plans from Oscar Insurance Company, UnitedHealthcare and Wellmark Health Plan of Iowa, Inc. list Stephen Carveth 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.

Is Stephen Carveth affiliated with any hospitals?

According to CMS data, Stephen Carveth is affiliated with Mercyone Des Moines Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Carveth was last updated on November 11, 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.