ALLISON KELLOGG M.D.
NPI 1225425440
Obstetrics & Gynecology in San Antonio, TX

Active since April 26, 2015PECOS EnrolledAccepts Medicare Assignment
520 MADISON OAK DR, SAN ANTONIO, TX 78258(210) 297-4075 Get Directions Write a Review

NPPES record last updated: May 6, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 6, 2025, Apr 7, 2022 (2 updates tracked since 2022).

About Allison Kellogg M.d. NPPES

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

ALLISON KELLOGG M.D. (NPI 1225425440) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (R9990) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Truckee, and is a graduate of University Of Texas Medical School At San Antonio (2015).Information from the official NPPES registry record.

NPPES Registry Identity

NPI1225425440
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameALLISON KELLOGGCredential: M.D.
Location Address520 MADISON OAK DRSan Antonio, TX 78258-3913
Mailing Address10121 Pine Avenue, Women's CenterTruckee, CA 96161-4835 · (530) 587-1041
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2015
Enumeration DateApril 26, 2015
Last NPPES UpdateMay 6, 20252 updates tracked since enumeration
NPPES CertifiedApril 24, 2025
NPI 1225425440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in TX · R9990 Licensed in CA · 201781
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

520 MADISON OAK DR, San Antonio, TX 78258

Secondary Practice Location 1

Location 110121 Pine Avenue, Women's CenterTruckee, CA 96161-4835 · Phone (530) 587-1041

Accepted Insurance

Medicare Participation & PECOS Enrollment Status

Allison Kellogg is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Allison Kellogg is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5799076196

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250723000759

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.6 for a new patient copayment and $17.13 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 78258 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $126.4
  • Minimum New Patient Price $54.84
  • Maximum New Patient Price $166.88
  • Average New Patient Copayment $31.6
  • Minimum New Patient Copayment $13.71
  • Maximum New Patient Copayment $41.72

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $68.55
  • Minimum Established Patient Price $17.52
  • Maximum Established Patient Price $136.11
  • Average Established Patient Copayment $17.13
  • Minimum Established Patient Copayment $4.38
  • Maximum Established Patient Copayment $34.02

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients

Reviews for ALLISON KELLOGG M.D.

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Therapist
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Emergency Medicine (Pediatric Emergency Medicine)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Nephrology)
520 MADISON OAK DR, SUITE 320
SAN ANTONIO, TX 78258
Internal Medicine
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Hospitalist
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR, SUITE 103
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Anesthesiology
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Nurse Practitioner
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Physician Assistant
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Registered Nurse (Neonatal Intensive Care)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Nurse Practitioner (Acute Care)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Anesthesiologist Assistant
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Internal Medicine
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Audiologist
520 MADISON OAK DR
SAN ANTONIO, TX 78258
General Acute Care Hospital
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Specialist/Technologist, Other (Surgical Assistant)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Surgery
520 MADISON OAK DR
SAN ANTONIO, TX 78258

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225425440, enumerated as an "individual" on April 26, 2015.

The provider is located at 520 MADISON OAK DR SAN ANTONIO, TX 78258 and the phone number is (210) 297-4075.

Obstetrics & Gynecology with taxonomy code 207V00000X.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas, Community. Please consult your insurance carrier or call the provider to verify.