Doctor profile · Federal record
Dr. Karen Merkel, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · Austin, TX
- NPI 1093109340
- Accepts Medicare
- 12 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5000 W Slaughter Ln
Austin, TX 787493997
(512) 654-4000 - Mailing address
-
Po Box 844658
Dallas, TX 752844658
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- January 20, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Texas #AP127465
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093109340. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
530
Distinct HCPCS
10
Medicare allowed
$24,448
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 178 | 148 | $107 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 88 | 21 | $1 | |
J0696 |
Injection, ceftriaxone sodium, per 250 mg | 62 | 15 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 44 | $76 | |
96372 |
Injection of drug or substance under skin or into muscle | 43 | 34 | $12 | |
81003 |
Automated urinalysis test | 38 | 30 | $2 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 32 | 15 | $16 | |
71046 |
X-ray of chest, 2 views | 17 | 15 | $25 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 17 | 14 | $16 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 11 | 11 | $7 |
In context: peer comparison
Among 161 peers in Austin Family Nurse Practitioner, average services per provider: 298. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$34
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 1 | $34.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
384
Patients
331
Total drug cost
$4,137
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylprednisolone | Generic | 103 | 94 | $988 |
| Azithromycin | Generic | 60 | 55 | $318 |
| Doxycycline Monohydrate | Generic | 36 | 32 | $576 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 34 | 26 | $487 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 31 | 28 | $341 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 25 | 24 | $863 |
| Cephalexin | Generic | 19 | 18 | $114 |
| Mupirocin | Generic | 18 | 17 | $151 |
| Prednisone | Generic | 16 | 12 | $70 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 16 | 13 | $109 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Merkel's medical specialty?
Dr. Karen Merkel practices Family Nurse Practitioner in Austin, TX.
Where does Dr. Karen Merkel practice?
Dr. Karen Merkel practices at 5000 W Slaughter Ln, Austin, TX 787493997. Office phone: 5126544000.
What is Dr. Karen Merkel's NPI?
Dr. Karen Merkel's National Provider Identifier (NPI) is 1093109340, issued by NPPES.
Does Dr. Karen Merkel accept Medicare assignment?
Yes. Dr. Karen Merkel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Merkel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, ceftriaxone sodium, per 250 mg (HCPCS J0696). Source: CMS Medicare Physician & Other Practitioners file.