Doctor profile · Federal record
Dr. Claire Shaffer, NP
Family Nurse Practitioner · Costa Mesa, CA
- NPI 1669198024
- 4 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
338 Bucknell RD
Costa Mesa, CA 926266139
(949) 307-4611
Credentials & registration
- NPI registered
- October 2022 — 4 yrs on file
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- California #95022335
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669198024. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
659
Distinct HCPCS
8
Medicare allowed
$56,443
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 317 | 142 | $69 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 133 | 97 | $115 | |
99347 |
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 107 | 76 | $40 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 38 | 38 | $190 | |
99497 |
Advance care planning, first 30 minutes | 26 | 24 | $75 | |
99344 |
Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | 13 | 13 | $129 | |
99496 |
Transitional care management services for problem of high complexity | 13 | 12 | $258 | |
99342 |
Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes | 12 | 12 | $70 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 92. This provider delivers 7.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
582
Patients
59
Total drug cost
$30,249
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Divalproex Sodium | Generic | 64 | 11 | $3,172 |
| Quetiapine Fumarate | Generic | 63 | 13 | $1,996 |
| Atorvastatin Calcium | Generic | 60 | 12 | $847 |
| Escitalopram Oxalate | Generic | 56 | 11 | $871 |
| Levothyroxine Sodium | Generic | 53 | 12 | $879 |
| Mirtazapine | Generic | 43 | 0 | $1,119 |
| Eliquis (Apixaban) | Brand | 37 | 0 | $18,563 |
| Amlodipine Besylate | Generic | 34 | 0 | $210 |
| Gabapentin | Generic | 34 | 0 | $765 |
| Lorazepam | Generic | 28 | 0 | $252 |
Frequently asked questions
What is Dr. Claire Shaffer's medical specialty?
Dr. Claire Shaffer practices Family Nurse Practitioner in Costa Mesa, CA.
Where does Dr. Claire Shaffer practice?
Dr. Claire Shaffer practices at 338 Bucknell RD, Costa Mesa, CA 926266139. Office phone: 9493074611.
What is Dr. Claire Shaffer's NPI?
Dr. Claire Shaffer's National Provider Identifier (NPI) is 1669198024, issued by NPPES.
What procedures does Dr. Claire Shaffer commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with low level of medical decision making (HCPCS 99348); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for established patient with straightforward medical decision making (HCPCS 99347). Source: CMS Medicare Physician & Other Practitioners file.