MARY KATHERINE WALTON M.D.
NPI 1235349580
Internal Medicine - Rheumatology in Shreveport, LA

Active since May 23, 2007PECOS EnrolledAccepts Medicare Assignment
90.35/100
CMS Quality Rating
820 JORDAN ST STE 201, SHREVEPORT, LA 71101(318) 221-0399(318) 221-1940 Get Directions Write a Review

NPPES record last updated: March 20, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Katherine Walton M.d. NPPES

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

MARY KATHERINE WALTON M.D. (NPI 1235349580) is an individual rheumatology provider in Shreveport, Louisiana, licensed in Louisiana (202525) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Willis Knighton Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (2006).

NPPES Registry Identity

NPI1235349580
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameMARY KATHERINE WALTONCredential: M.D.
Location Address820 JORDAN ST STE 201Shreveport, LA 71101-4518
Mailing Address820 Jordan St Ste 201Shreveport, LA 71101-4518 · (318) 221-0399 · Fax (318) 221-1940
Fax(318) 221-1940
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 2006
Enumeration DateMay 23, 2007
Last NPPES UpdateMarch 20, 2020
NPPES CertifiedMarch 20, 2020
NPI 1235349580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in LA · 202525
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
820 JORDAN ST STE 201, Shreveport, LA 71101

Other Names 1

Former Name (1)Mary Katherine Sandel

Other Identifiers 1

Medicaid1078859LA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Katherine Walton 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.

PECOS PAC ID2365615796
PECOS Enrollment IDI20111101000229
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.

Areas of Expertise CMS Part B claims 30

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.

Injection, golimumab, 1 mg, for intravenous use J1602
Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.
29,100 services89 patients
Injection, romosozumab-aqqg, 1 mg J3111
Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.
16,170 services31 patients
Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717
Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.
14,800 services11 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
13,980 services162 patients
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0129
Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.
5,075 services28 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
511 services331 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Willis Knighton Medical Center

Acute Care Hospitals · Shreveport, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190111
Location2600 Greenwood RoadShreveport, LA 71103 · Caddo County
Emergency services Birthing friendly

Jackson Parish Hospital

Critical Access Hospitals · Jonesboro, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number191317
Location165 Beech Springs RoadJonesboro, LA 71251 · Jackson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71101 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
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.

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.

90.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality83.01
Promoting Interoperability99
Improvement Activities40

Reported Quality Measures

Advance Care Plan
98%455 patients4/55-star benchmark: 100%
Controlling High Blood Pressure
77%48 patients4/55-star benchmark: 91%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
95%38 patients1/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
99%1,087 patients4/55-star benchmark: 100%
e-Prescribing
99%645 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
97%769 patients4/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 91% · 233 patients
Patients screened: 99% · 233 patients
19%21 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
99%258 patients4/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Functional Status Assessment
0%219 patients1/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Glucocorticoid Management
0%219 patients1/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Periodic Assessment of Disease Activity
83%219 patients1/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
39%192 patients2/55-star benchmark: 98%
Tuberculosis Screening Prior to First Course of Biologic and/or Immune Response Modifier Therapy
30%50 patients2/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 464 patients
Patients totalRate: 0% · 464 patients
0%464 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
820 JORDAN ST STE 201
SHREVEPORT, LA 71101
Pharmacy
820 JORDAN ST STE 201
SHREVEPORT, LA 71101
Internal Medicine (Rheumatology)
820 JORDAN ST STE 201
SHREVEPORT, LA 71101
Internal Medicine (Rheumatology)
820 JORDAN ST STE 201
SHREVEPORT, LA 71101
Physician Assistant (Medical)
820 JORDAN ST STE 201
SHREVEPORT, LA 71101

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 Mary Walton's NPI number?

The NPI number for Mary Walton is 1235349580. It was assigned to this individual provider in the NPPES registry on May 23, 2007. The provider is also known as Mary Katherine Sandel.

Where is Mary Walton located?

Mary Walton practices at 820 Jordan St Ste 201, Shreveport, LA 71101. The listed phone number is (318) 221-0399.

What is Mary Walton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mary Walton enrolled in Medicare?

Yes. Mary Walton 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.

What insurance does Mary Walton accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Mary Walton 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 Mary Walton affiliated with any hospitals?

According to CMS data, Mary Walton is affiliated with Willis Knighton Medical Center and Jackson Parish Hospital.

When was this NPI record last updated?

The NPPES record for Mary Walton was last updated on March 20, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.