Doctor profile · Federal record

Dr. Margaret Kelner, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · San Marcos, TX

  • NPI 1366786394
  • Accepts Medicare
  • MIPS 49.4 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2406 Hunter RD, Suite 106
San Marcos, TX 786665255
(512) 396-7686
fax (512) 396-8006

Credentials & registration

NPPES · NUCC
NPI registered
November 2012 — 14 yrs on file
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #544490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366786394. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44,577
Distinct HCPCS
10
Medicare allowed
$1,069,243
HCPCS Description Services Patients Avg allowed
J3111 Injection, romosozumab-aqqg, 1 mg 19,110 24 $10
J3380 Injection, vedolizumab, 1 mg 13,800 12 $21
J0897 Injection, denosumab, 1 mg 5,880 75 $23
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,920 14 $33
J0517 Injection, benralizumab, 1 mg 1,830 19 $166
J3489 Injection, zoledronic acid, 1 mg 365 72 $8
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 301 15 $17
96372 Injection of drug or substance under skin or into muscle 287 54 $11
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 240 123 $51
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 196 104 $59

In context: peer comparison

Among 10 peers in San Marcos Family Nurse Practitioner, average services per provider: 606. This provider delivers 74× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$449
Transactions
23
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 10 $194.13
Takeda Pharmaceuticals U.S.A., INC. 3 $54.05
GlaxoSmithKline, LLC. 3 $46.16
Genentech USA, INC. 1 $26.30
Janssen Biotech, INC. 1 $24.70
Adma BioManufacturing LLC 1 $23.65
Argenx US, INC. 1 $23.22
AstraZeneca Pharmaceuticals Lp 1 $20.49
Recordati_Rare_Diseases_INC. 1 $19.81
Biogen, INC. 1 $16.89

By nature of payment

Food and Beverage
$426
Consulting Fee
$24

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Kelner's medical specialty?
Dr. Margaret Kelner practices Family Nurse Practitioner in San Marcos, TX.
Where does Dr. Margaret Kelner practice?
Dr. Margaret Kelner practices at 2406 Hunter RD, San Marcos, TX 786665255. Office phone: 5123967686.
What is Dr. Margaret Kelner's NPI?
Dr. Margaret Kelner's National Provider Identifier (NPI) is 1366786394, issued by NPPES.
Does Dr. Margaret Kelner accept Medicare assignment?
Yes. Dr. Margaret Kelner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Kelner commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.