Doctor profile · Federal record
Dr. Cathrine Stark
Foot & Ankle Surgery Podiatrist (CMS: Podiatry) · Portsmouth, NH
- NPI 1518455948
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Borthwick Ave Ste 201
Portsmouth, NH 038014102
(215) 660-3200
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- March 27, 2026
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 213ES0103X — NUCC code
- State license (1)
- New Hampshire #0391
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518455948. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
567
Distinct HCPCS
7
Medicare allowed
$45,106
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 156 | 124 | $89 | |
73630 |
X-ray of foot, minimum of 3 views | 111 | 72 | $34 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 90 | 90 | $110 | |
11721 |
Removal of fingernails or toenails, 6 or more nails | 88 | 50 | $44 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $164 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 42 | 35 | $128 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 30 | 12 | $6 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 78. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kairos Surgical Inc | 1 | $16.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
59
Patients
33
Total drug cost
$468
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 37 | 22 | $123 |
| Doxycycline Hyclate | Generic | 11 | 11 | $245 |
| Ketoconazole | Generic | 11 | 0 | $99 |
Frequently asked questions
What is Dr. Cathrine Stark's medical specialty?
Dr. Cathrine Stark practices Foot & Ankle Surgery Podiatrist in Portsmouth, NH.
Where does Dr. Cathrine Stark practice?
Dr. Cathrine Stark practices at 330 Borthwick Ave Ste 201, Portsmouth, NH 038014102. Office phone: 2156603200.
What is Dr. Cathrine Stark's NPI?
Dr. Cathrine Stark's National Provider Identifier (NPI) is 1518455948, issued by NPPES.
Does Dr. Cathrine Stark accept Medicare assignment?
Yes. Dr. Cathrine Stark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cathrine Stark commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of foot, minimum of 3 views (HCPCS 73630); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.