Doctor profile · Federal record

Dr. Margaret Barnum, N.P.

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Family Nurse Practitioner · Natchitoches, LA

  • NPI 1487798823
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
617 Bienville St
Natchitoches, LA 714575739
(318) 352-9880
fax (318) 357-1347
Mailing address
617 Bienville St Ste A
Natchitoches, LA 714575740

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 16, 2021
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (3)
Louisiana #RN075967 · Louisiana #RN075967 AP04510 · Louisiana #AP04510
Medicaid
LA #2101803

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487798823. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
3
Medicare allowed
$6,411
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 54 22 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 18 15 $90
96372 Injection of drug or substance under skin or into muscle 14 12 $10

In context: peer comparison

Among 8 peers in Natchitoches Family Nurse Practitioner, average services per provider: 116. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$312
Transactions
16
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 3 $53.34
Abbvie INC. 2 $44.83
Paratek Pharmaceuticals, INC. 2 $44.01
Novo Nordisk INC 2 $34.23
E.R. Squibb & Sons, L.L.C. 1 $27.27
Mylan Specialty L.P. 1 $24.28
Lilly USA, LLC 1 $20.17
Currax Pharmaceuticals LLC 1 $16.91
AstraZeneca Pharmaceuticals Lp 1 $16.77
Novartis Pharmaceuticals Corporation 1 $16.17
Amgen INC. 1 $14.29

By nature of payment

Food and Beverage
$285
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,782
Patients
750
Total drug cost
$441,205
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 393 102 $4,392
Omeprazole Generic 235 63 $2,700
Lisinopril Generic 217 56 $2,505
Gabapentin Generic 212 53 $2,404
Levothyroxine Sodium Generic 208 52 $2,893
Amlodipine Besylate Generic 202 57 $1,733
Losartan Potassium Generic 194 51 $2,505
Ozempic (Semaglutide) Brand 180 44 $240,408
Pantoprazole Sodium Generic 152 35 $2,497
Famotidine Generic 147 33 $1,253

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Barnum's medical specialty?
Dr. Margaret Barnum practices Family Nurse Practitioner in Natchitoches, LA.
Where does Dr. Margaret Barnum practice?
Dr. Margaret Barnum practices at 617 Bienville St, Natchitoches, LA 714575739. Office phone: 3183529880.
What is Dr. Margaret Barnum's NPI?
Dr. Margaret Barnum's National Provider Identifier (NPI) is 1487798823, issued by NPPES.
Does Dr. Margaret Barnum accept Medicare assignment?
Yes. Dr. Margaret Barnum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Barnum commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.