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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KATHERINE SUE LITTLE M.D.
NPI 1821095324
Internal Medicine - Pulmonary Disease in Oklahoma City, OK

Active since June 30, 2005PECOS EnrolledAccepts Medicare Assignment
77.69/100
CMS Quality Rating
3366 NW EXPRESSWAY 580, OKLAHOMA CITY, OK 73112(405) 949-2215(405) 949-1056 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Katherine Sue Little M.d. NPPES

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

DR. KATHERINE SUE LITTLE M.D. (NPI 1821095324) is an individual pulmonary disease provider in Oklahoma City, Oklahoma, licensed in Oklahoma (15253) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of University Of Oklahoma College Of Medicine (1984).

NPPES Registry Identity

NPI1821095324
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. KATHERINE SUE LITTLECredential: M.D.
Location Address3366 NW EXPRESSWAY 580Oklahoma City, OK 73112-4498
Mailing Address3366 Nw Expressway 580Oklahoma City, OK 73112-4498 · (405) 949-2215 · Fax (405) 949-1056
Phone(405) 949-2215
Fax(405) 949-1056
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1984
Enumeration DateJune 30, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1821095324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in OK · 15253
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 15253 (OK)
3366 NW EXPRESSWAY 580, Oklahoma City, OK 73112
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and more.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

Dr. Katherine Sue Little 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 ID3173679701
PECOS Enrollment IDI20090922000745
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 5

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
759 services320 patients
Test to determine lung volumes using gas dilution or washout 94727
This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.
210 services190 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
210 services190 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
209 services190 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
33 services33 patients

Hospital Affiliations CMS Care Compare 3

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

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370028
Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County
Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County
Emergency services Birthing friendly

Integris Canadian Valley Hospital

Acute Care Hospitals · Yukon, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370211
Location1201 Health Center ParkwayYukon, OK 73099 · Canadian County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 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.

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.

77.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.52
Promoting Interoperability100
Improvement Activities40
Cost43.13

Referred Medical Equipment & Supplies CMS DME claims 20

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers31 claims31 services$32.20 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers16 claims16 services$72.96 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers17 claims47 services$28.04 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers15 claims89 services$12.01 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers26 claims26 services$44.04 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
8 suppliers27 claims27 services$15.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Katherine Little's NPI number?

The NPI number for Katherine Little is 1821095324. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Katherine Little located?

Katherine Little practices at 3366 NW Expressway 580, Oklahoma City, OK 73112. The listed phone number is (405) 949-2215.

What is Katherine Little's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Katherine Little enrolled in Medicare?

Yes. Katherine Little 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 Katherine Little accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and UnitedHealthcare list Katherine Little 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 Katherine Little affiliated with any hospitals?

According to CMS data, Katherine Little is affiliated with Integris Baptist Medical Center, Inc, O U Medical Center and Integris Canadian Valley Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Little was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.