Doctor profile · Federal record

Dr. Mary Stringfellow, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Hospitalist Physician · Medical Oncology Physician · Internal Medicine Physician · Baton Rouge, LA

  • NPI 1194743849
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
7777 Hennessy Blvd Ste 103
Baton Rouge, LA 708084363
(225) 757-0343
fax (225) 757-8354
Additional location
5000 Odonavan Blvd Ste 404
Walker, LA 707856355
Additional location
5439 Airline Hwy
Baton Rouge, LA 708051712
fax (225) 358-2327
Show 1 more location
Additional location
6180 Main St Ste A
Zachary, LA 707914069
(225) 658-6691
fax (225) 658-6698
Mailing address
5959 S Sherwood Forest Blvd
Baton Rouge, LA 708166038

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 13, 2026
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Louisiana #14408R
Medicaid
LA #1128121

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194743849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
3
Medicare allowed
$13,272
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 75 38 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 46 26 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 44 12 $93

In context: peer comparison

Among 13 peers in Baton Rouge Hematology & Oncology Physician, average services per provider: 1,050. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,205
Transactions
50
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 15 $353.62
Merck Sharp & Dohme LLC 5 $114.89
Pharmacosmos Therapeutics INC. 4 $87.46
Pfizer INC. 4 $81.27
Novartis Pharmaceuticals Corporation 4 $74.18
Celgene Corporation 3 $57.17
Janssen Biotech, INC. 3 $55.50
GlaxoSmithKline, LLC. 2 $40.22
Karyopharm Therapeutics INC. 2 $39.69
Alexion Pharmaceuticals, INC. 2 $33.90
Myriad Genetic Laboratories, INC. 2 $29.36
Genentech USA, INC. 1 $28.77
Regeneron Healthcare Solutions, INC. 1 $27.55
Tempus Ai, INC 1 $23.94
PharmaEssentia USA Corporation 1 $21.37

By nature of payment

Food and Beverage
$1,205

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
0
Total drug cost
$139,458
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 64 0 $42,459
Letrozole Generic 26 0 $244
Pantoprazole Sodium Generic 25 0 $265
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 0 $716
Prednisone Generic 19 0 $154
Anastrozole Generic 17 0 $440
Dexamethasone Generic 17 0 $170
Enoxaparin Sodium Generic 13 0 $3,658
Potassium Chloride Generic 13 0 $181
Baclofen Generic 12 0 $72

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Stringfellow's medical specialty?
Dr. Mary Stringfellow practices Hematology & Oncology Physician in Baton Rouge, LA.
Where does Dr. Mary Stringfellow practice?
Dr. Mary Stringfellow practices at 7777 Hennessy Blvd Ste 103, Baton Rouge, LA 708084363. Office phone: 2257570343.
What is Dr. Mary Stringfellow's NPI?
Dr. Mary Stringfellow's National Provider Identifier (NPI) is 1194743849, issued by NPPES.
Does Dr. Mary Stringfellow accept Medicare assignment?
Yes. Dr. Mary Stringfellow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Stringfellow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.