DR. JOHN HANSFORD KELLUM M.D.
NPI 1255326989
Obstetrics & Gynecology in San Antonio, TX
About Dr. John Hansford Kellum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN HANSFORD KELLUM M.D. (NPI 1255326989) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (J0844) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. John Hansford Kellum M.d. 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
6Medicare enrollment records show John Kellum reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78251
- Reassigned Medicare billing, Texas enrollment
- 21 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 64 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 33 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 clinicians in this Medicare group
Corpus Christi, TX 78414
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Corpus Christi, TX 78414
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Southside Womens Center PA
- 6 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 78251 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78251
SAN ANTONIO, TX 78251
SAN ANTONIO, TX 78251
SAN ANTONIO, TX 78251
SAN ANTONIO, TX 78251
SAN ANTONIO, TX 78251
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 John Kellum's NPI number?
The NPI number for John Kellum is 1255326989. It was assigned to this individual provider in the NPPES registry on September 19, 2005.
Where is John Kellum located?
John Kellum practices at 3903 Wiseman Blvd Suite 215, San Antonio, TX 78251. The listed phone number is (210) 675-6724.
What is John Kellum's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Kellum enrolled in Medicare?
Yes. John Kellum 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 John Kellum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Kellum reassigns Medicare benefits to 6 organizations: Kellum Physician Partners, PA (San Antonio, TX), Lone Star Ob/Gyn Associates, P.A. (San Antonio, TX), Premier Ob-Gyn Of Texas LLC (San Antonio, TX), Obhg Texas Holdings, P.A. (Austin, TX), Corpus Christi Womens Care Center, Inc (Corpus Christi, TX) and 1 more organization, 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 John Kellum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Kellum accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Imperial Insurance Companies, Inc. and Oscar Insurance Company and 1 other insurer list John Kellum 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 John Kellum was last updated on November 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. John Hansford Kellum, M.D. · NPI 1255326989
Obstetrics & Gynecology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since September 19, 2005.
## Identity
- **NPI:** 1255326989 (Entity type: Individual)
- **Enumerated:** September 19, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** J0844 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3903 WISEMAN BLVD, SUITE 215, San Antonio, TX 78251-4401
- **Phone:** (210) 675-6724 · **Fax:** (210) 675-1759
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Kellum Physician Partners, PA (NPI 1073880092, San Antonio, TX); Lone Star Ob/Gyn Associates, P.A. (NPI 1063441921, San Antonio, TX); Premier Ob-Gyn Of Texas LLC (NPI 1225807530, San Antonio, TX); Obhg Texas Holdings, P.A. (NPI 1083917769, Austin, TX); Corpus Christi Womens Care Center, Inc (NPI 1588970305, Corpus Christi, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** November 21, 2016
- **Other identifiers:** Medicare UPIN F74361 (TX); Medicare PIN 8198J2 (TX); Medicaid 115386801 (TX); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1255326989) · Data from the CMS NPPES public registry.