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DR. LEROY SOUTHMAYD III M.D.
NPI 1851351969
Internal Medicine - Nephrology in Oklahoma City, OK

Active since March 23, 2006PECOS Enrolled
1202 W WILSHIRE BLVD, OKLAHOMA CITY, OK 73116(405) 823-3073 Get Directions Write a Review

NPPES record last updated: March 8, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Leroy Southmayd Iii M.d. NPPES

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

DR. LEROY SOUTHMAYD III M.D. (NPI 1851351969) is an individual nephrology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (17164) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851351969
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. LEROY SOUTHMAYD IIICredential: M.D.
Location Address1202 W WILSHIRE BLVDOklahoma City, OK 73116-6109
Mailing Address1202 W Wilshire BlvdOklahoma City, OK 73116-6109 · (405) 823-3073
Phone(405) 823-3073
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateMarch 8, 2020
NPPES CertifiedMarch 8, 2020
✔ NPI 1851351969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in OK · 17164
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1202 W WILSHIRE BLVD, Oklahoma City, OK 73116
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Other Identifiers 1

Medicaid100219420BOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CommunityCare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leroy Southmayd Iii M.d. 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

2

Medicare enrollment records show Leroy Southmayd reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Integris Ambulatory Care Corporation
4.8 mi
Family Medicine
3001 QUAIL SPRINGS PKWY
Oklahoma City, OK 73134
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,058 clinicians in this Medicare group
NPI 1750333936 (405) 951-2298
Healogics Specialty Physicians Of Oklahoma, PLLC
82 mi
Undersea and Hyperbaric Medicine
2716 W GORE BLVD, SUITE C
Lawton, OK 73505
  • Reassigned Medicare billing, Oklahoma enrollment
  • 56 clinicians in this Medicare group
NPI 1144625740 (580) 357-3280

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 73116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Leroy Southmayd's NPI number?

The NPI number for Leroy Southmayd is 1851351969. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Leroy Southmayd located?

Leroy Southmayd practices at 1202 W Wilshire Blvd, Oklahoma City, OK 73116. The listed phone number is (405) 823-3073.

What is Leroy Southmayd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Leroy Southmayd enrolled in Medicare?

Yes. Leroy Southmayd is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leroy Southmayd's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leroy Southmayd reassigns Medicare benefits to 2 organizations: Integris Ambulatory Care Corporation (Oklahoma City, OK) and Healogics Specialty Physicians Of Oklahoma, PLLC (Lawton, OK). 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 Leroy Southmayd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leroy Southmayd accept?

Health plans from CommunityCare list Leroy Southmayd 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 Leroy Southmayd was last updated on March 8, 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.