LYNN ANN CROCKER D.O.
NPI 1558357947
Internal Medicine in Phoenix, AZ
About Lynn Ann Crocker D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYNN ANN CROCKER D.O. (NPI 1558357947) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (3966) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Christus Spohn Hospital Corpus Christi, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 5
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
Lynn Ann Crocker D.o. 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
11Medicare enrollment records show Lynn Crocker reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Texas enrollment
- 599 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 83 clinicians in this Medicare group
New Braunfels, TX 78130
- Reassigned Medicare billing, Texas enrollment
- 101 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Corpus Christi, TX 78404
- Reassigned Medicare billing, Texas enrollment
- 154 clinicians in this Medicare group
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 334 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Bossier City, LA 71111
- Reassigned Medicare billing, Louisiana enrollment
- 104 clinicians in this Medicare group
Beaumont, TX 77702
- Reassigned Medicare billing, Texas enrollment
- 103 clinicians in this Medicare group
Lake Charles, LA 70605
- Reassigned Medicare billing, Louisiana enrollment
- 60 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.
Areas of Expertise CMS Part B claims 2
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Spohn Hospital Corpus Christi
Acute Care Hospitals · Corpus Christi, TXChristus Spohn Hospital Beeville
Acute Care Hospitals · Beeville, TXChristus Jasper Memorial Hospital
Acute Care Hospitals · Jasper, TXChristus Spohn Hospital Alice
Acute Care Hospitals · Alice, TXChristus Mother Frances Hospital- Jacksonville
Critical Access Hospitals · Jacksonville, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
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.
PHOENIX, AZ 85006
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 Lynn Crocker's NPI number?
The NPI number for Lynn Crocker is 1558357947. It was assigned to this individual provider in the NPPES registry on September 21, 2005. The provider is also known as Lynn Ann Rice.
Where is Lynn Crocker located?
Lynn Crocker practices at 1111 E Mcdowell Rd Wt Ll1 Case Management, Phoenix, AZ 85006. The listed phone number is (602) 839-2000.
What is Lynn Crocker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lynn Crocker enrolled in Medicare?
Yes. Lynn Crocker 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 Lynn Crocker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Crocker reassigns Medicare benefits to 11 organizations: Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Phoenix, AZ), Bexar Physician Services, PLLC (San Antonio, TX), South Texas Physician Services, PLLC (New Braunfels, TX), Cogent Healthcare Of Texas, PA (Dallas, TX), Gulf Coast Physician Services, PLLC (Corpus Christi, TX) and 6 more organizations, listed in the Medicare section above. 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 Lynn Crocker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lynn Crocker accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and HMO Louisiana list Lynn Crocker 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 Lynn Crocker affiliated with any hospitals?
According to CMS data, Lynn Crocker is affiliated with Christus Spohn Hospital Corpus Christi, Christus Spohn Hospital Beeville, Christus Jasper Memorial Hospital, Christus Spohn Hospital Alice and Christus Mother Frances Hospital- Jacksonville.
When was this NPI record last updated?
The NPPES record for Lynn Crocker was last updated on March 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Lynn Ann Crocker, D.O. · NPI 1558357947
Internal Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since September 21, 2005.
## Identity
- **NPI:** 1558357947 (Entity type: Individual)
- **Enumerated:** September 21, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 3966 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1111 E MCDOWELL RD, WT LL1 CASE MANAGEMENT, Phoenix, AZ 85006-2612
- **Phone:** (602) 839-2000 · **Fax:** (602) 839-5918
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (NPI 1083643738, Phoenix, AZ); Bexar Physician Services, PLLC (NPI 1730960998, San Antonio, TX); South Texas Physician Services, PLLC (NPI 1598546772, New Braunfels, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX); Gulf Coast Physician Services, PLLC (NPI 1922889187, Corpus Christi, TX); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2001
## Record status
- **NPPES last updated:** March 11, 2015
- **Other identifiers:** Medicare PIN P00172526 (AZ); Medicaid 862781-01 (AZ); Medicare PIN Z129872 (AZ); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1558357947) · Data from the CMS NPPES public registry.