Doctor profile · Federal record

Dr. Holly Haas, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Hallettsville, TX

  • NPI 1508271784
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
208 N Texana St Ste A
Hallettsville, TX 779642705
(361) 217-3291
fax (361) 217-3297

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
July 29, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #AP125756

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508271784. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
635
Distinct HCPCS
10
Medicare allowed
$32,142
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 119 79 $104
J1100 Injection, dexamethasone sodium phosphate, 1 mg 84 20 $0
96372 Injection of drug or substance under skin or into muscle 64 36 $12
J0696 Injection, ceftriaxone sodium, per 250 mg 52 12 $1
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 48 11 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 45 39 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 45 39 $146
G0008 Administration of influenza virus vaccine 45 45 $30
90662 Influenza vaccine split virus, preservative free 43 43 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 40 40 $105

In context: peer comparison

Among 2 peers in Hallettsville Family Nurse Practitioner, average services per provider: 47. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $88.48
Lilly USA, LLC 3 $45.71
Novo Nordisk INC 1 $22.52
AstraZeneca Pharmaceuticals Lp 1 $15.41

By nature of payment

Food and Beverage
$172

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,323
Patients
314
Total drug cost
$11,497
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 172 48 $1,521
Amlodipine Besylate Generic 163 33 $1,254
Levothyroxine Sodium Generic 144 30 $1,238
Lisinopril Generic 115 31 $722
Simvastatin Generic 90 21 $623
Metoprolol Succinate Generic 78 19 $1,179
Hydrochlorothiazide Generic 74 19 $252
Losartan Potassium Generic 74 22 $733
Metformin Hcl Generic 71 17 $735
Alprazolam Generic 64 14 $285

Frequently asked questions

Auto-generated from federal data
What is Dr. Holly Haas's medical specialty?
Dr. Holly Haas practices Family Nurse Practitioner in Hallettsville, TX.
Where does Dr. Holly Haas practice?
Dr. Holly Haas practices at 208 N Texana St Ste A, Hallettsville, TX 779642705. Office phone: 3612173291.
What is Dr. Holly Haas's NPI?
Dr. Holly Haas's National Provider Identifier (NPI) is 1508271784, issued by NPPES.
Does Dr. Holly Haas accept Medicare assignment?
Yes. Dr. Holly Haas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Holly Haas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.