Doctor profile · Federal record
Dr. Claire Kiefer, RN, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Brooklyn, NY
- NPI 1407239635
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
514 49Th St
Brooklyn, NY 112202010
(718) 437-5280
fax (718) 436-7810
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Profile last updated
- August 10, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- New York #F340252-1 · New York #671971
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407239635. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48
Distinct HCPCS
2
Medicare allowed
$2,502
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 19 | $64 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 20 | 16 | $35 |
In context: peer comparison
Among 98 peers in Brooklyn Family Nurse Practitioner, average services per provider: 229. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$98
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ViiV Healthcare Company | 3 | $97.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,172
Patients
339
Total drug cost
$781,580
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 198 | 68 | $3,032 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 139 | 24 | $647,998 |
| Amlodipine Besylate | Generic | 118 | 32 | $512 |
| Gabapentin | Generic | 78 | 23 | $885 |
| Metoprolol Succinate | Generic | 70 | 16 | $909 |
| Lisinopril | Generic | 69 | 20 | $376 |
| Montelukast Sodium | Generic | 69 | 18 | $908 |
| Ozempic (Semaglutide) | Brand | 65 | 19 | $99,524 |
| Pravastatin Sodium | Generic | 64 | 17 | $1,150 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 55 | 24 | $2,285 |
Hospital affiliations
Frequently asked questions
What is Dr. Claire Kiefer's medical specialty?
Dr. Claire Kiefer practices Family Nurse Practitioner in Brooklyn, NY.
Where does Dr. Claire Kiefer practice?
Dr. Claire Kiefer practices at 514 49Th St, Brooklyn, NY 112202010. Office phone: 7184375280.
What is Dr. Claire Kiefer's NPI?
Dr. Claire Kiefer's National Provider Identifier (NPI) is 1407239635, issued by NPPES.
Does Dr. Claire Kiefer accept Medicare assignment?
Yes. Dr. Claire Kiefer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claire Kiefer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.