MRS. JOYCE R LINES MD
NPI 1649270588
Obstetrics & Gynecology in Ames, IA
About Mrs. Joyce R Lines Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JOYCE R LINES MD (NPI 1649270588) is an individual obstetrics & gynecology provider in Ames, Iowa, licensed in Iowa (33650) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted 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
Mrs. Joyce R Lines 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.
Medicare Billing Reassignments
2Medicare enrollment records show Joyce Lines reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 4 clinicians in this Medicare group
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 42 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Greeley Medical Center
Acute Care Hospitals · Ames, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50010 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.
AMES, IA 50010
AMES, IA 50010
AMES, IA 50010
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 Joyce Lines's NPI number?
The NPI number for Joyce Lines is 1649270588. It was assigned to this individual provider in the NPPES registry on July 21, 2005.
Where is Joyce Lines located?
Joyce Lines practices at 1015 Duff Ave, Ames, IA 50010. The listed phone number is (515) 239-6970.
What is Joyce Lines's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Joyce Lines enrolled in Medicare?
Yes. Joyce Lines 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 Joyce Lines's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joyce Lines reassigns Medicare benefits to 2 organizations: Doran & Doran PC (Ames, IA) and Mary Greeley Medical Center (Ames, 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 Joyce Lines's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joyce Lines accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 1 other insurer list Joyce Lines 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 Joyce Lines affiliated with any hospitals?
According to CMS data, Joyce Lines is affiliated with Mary Greeley Medical Center.
When was this NPI record last updated?
The NPPES record for Joyce Lines was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mrs. Joyce R Lines, MD · NPI 1649270588
Obstetrics & Gynecology physician in Ames, Iowa. Individual provider, active in the CMS NPPES registry since July 21, 2005.
## Identity
- **NPI:** 1649270588 (Entity type: Individual)
- **Enumerated:** July 21, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 33650 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1015 DUFF AVE, Ames, IA 50010-5733
- **Phone:** (515) 239-6970 · **Fax:** (515) 239-6950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Doran & Doran PC (NPI 1417930736, Ames, IA); Mary Greeley Medical Center (NPI 1235115031, Ames, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 1991
## Record status
- **NPPES last updated:** August 12, 2026
- **Other identifiers:** Medicaid 0211409 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649270588) · Data from the CMS NPPES public registry.