Doctor profile · Federal record

Dr. Heather Mambretti, PA-C

Physician Assistant · League City, TX

  • NPI 1417243726
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3725 E League City Pkwy
League City, TX 775737373
(281) 957-9127
fax (281) 957-9157
Mailing address
3725 E League City Pkwy Ste 200
League City, TX 775737374

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
July 19, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Texas #PA07324

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417243726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,552
Distinct HCPCS
5
Medicare allowed
$174,475
HCPCS Description Services Patients Avg allowed
J3111 Injection, romosozumab-aqqg, 1 mg 6,720 13 $10
J0897 Injection, denosumab, 1 mg 3,540 43 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 154 101 $107
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 120 54 $61
99215 Established patient office or other outpatient visit, 40-54 minutes 18 17 $152

In context: peer comparison

Among 4 peers in this city , average services per provider: 516. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51,379
Transactions
213
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 33 $21,914.58
AstraZeneca Pharmaceuticals LP 43 $14,771.84
Boehringer Ingelheim Pharmaceuticals, Inc. 12 $5,060.80
GENZYME CORPORATION 15 $3,029.19
ABBVIE INC. 30 $2,500.36
Novartis Pharmaceuticals Corporation 10 $1,930.25
Amgen Inc. 20 $471.60
UCB, Inc. 13 $327.02
PFIZER INC. 6 $240.37
Mallinckrodt Hospital Products Inc. 8 $209.94
Lilly USA, LLC 8 $157.73
GlaxoSmithKline, LLC. 6 $134.58
Aurinia Pharma U.S., Inc. 5 $115.20
SANOFI-AVENTIS U.S. LLC 1 $81.20
E.R. Squibb & Sons, L.L.C. 3 $64.05

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$23,778
Consulting Fee
$13,190
Travel and Lodging
$8,392
Food and Beverage
$5,937
Education
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
633
Patients
246
Total drug cost
$336,070
Drug Type Claims Patients Total cost
Prednisone Generic 162 65 $1,229
Hydroxychloroquine Sulfate Generic 130 65 $7,817
Methotrexate (Methotrexate Sodium) Brand 75 36 $2,450
Leflunomide Generic 46 18 $2,763
Azathioprine Generic 25 0 $827
Prolia (Denosumab) Brand 25 18 $41,810
Celecoxib Generic 23 12 $1,115
Evenity (2 Syringes) (Romosozumab-Aqqg) Brand 23 0 $52,363
Methylprednisolone Generic 22 20 $279
Gabapentin Generic 19 0 $452

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Mambretti's medical specialty?
Dr. Heather Mambretti practices Physician Assistant in League City, TX.
Where does Dr. Heather Mambretti practice?
Dr. Heather Mambretti practices at 3725 E League City Pkwy, League City, TX 775737373. Office phone: 2819579127.
What is Dr. Heather Mambretti's NPI?
Dr. Heather Mambretti's National Provider Identifier (NPI) is 1417243726, issued by NPPES.
Does Dr. Heather Mambretti accept Medicare assignment?
Yes. Dr. Heather Mambretti accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Mambretti commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.