Dr. Katherine Odessa Knernschield , DO
Internal Medicine β’ Mobile, AL
2451 University Hospital Dr Rm 714
Mobile, AL 366172300
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
2451 University Hospital Dr Rm 714
Mobile, AL 366172300
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Internal Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Open Payments general payments, program year 2025
All general payments: $114.48 across 5 records.
By nature of payment
- Food and Beverage: $114.48 across 5 records.
Reporting-company totals (3 largest of 5)
- Janssen Pharmaceuticals, Inc: $34.29 across 1 record.
- United Therapeutics Corporation: $29.52 across 1 record.
- Merck Sharp & Dohme LLC: $19.33 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2024
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Knernschield has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Knernschield as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Mobile and Alabama
255 active clinicians are listed under Internal Medicine with a practice address in Mobile, AL (1,706 in Alabama).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Mobile
5.9% of these 255 clinicians have the CMS telehealth indicator.
58.4% of these 255 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $19.93 in 2024 to $114.48 in 2025.
- 2024: $19.93
- 2025: $114.48
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $114.48.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
OPSYNVI | General | $34.29 |
| United Therapeutics Corporation |
Food and Beverage
In-kind items and services
|
Tyvaso | General | $29.52 |
| Merck Sharp & Dohme LLC |
Food and Beverage
In-kind items and services
|
WINREVAIR | General | $19.33 |
| Mallinckrodt Hospital Products Inc. |
Food and Beverage
In-kind items and services
|
ACTHAR | General | $16.32 |
| Takeda Pharmaceuticals U.S.A., Inc. |
Food and Beverage
In-kind items and services
|
EOHILIA | General | $15.02 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-09-24NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 208000000X
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSORDER AND REFERRING ONLY - OTHER (PHYSICIAN)
I20241023003142
AL
3274066659
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine
Doctor of Medicine (M.D.), Advanced Practice Nurse
General Practice
MDPHD
Internal Medicine - Hematology & Oncology
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Pediatrics (license number reported to NPPES: AL L.6351R)
NPI status registered as active in NPPES database
Registered at 2451 UNIVERSITY HOSPITAL DR RM 714, MOBILE, AL 366172300 (Tel: 2514343915)
Registered at 2451 UNIVERSITY HOSPITAL DR RM 714, MOBILE, AL 366172300
Recorded as KATHERINE KNERNSCHIELD, DO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Internal Medicine Providers in Mobile
- Dr. Robert Knizley, MD
- Dr. Jerry Arnold, MD
- Dr. Montubua Vasser-Smith, MD
- Dr. Jessica Houston, DO
- Dr. Donnelly Howard, MD
- Dr. Romsel Ang, MD
Mailing Address
2451 University Hospital Dr Rm 714
Mobile, AL 366172300