Doctor profile · Federal record
Dr. Kathleen Langan, M.D.
Family Medicine Physician (CMS: Family Practice) · Fairfax, VA
- NPI 1538455001
- Accepts Medicare
- 15 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3650 Joseph Siewick Dr Ste 400
Fairfax, VA 220331715
(703) 391-2020
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Virginia #0116024019
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538455001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
550
Distinct HCPCS
10
Medicare allowed
$65,488
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 271 | 163 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 67 | 66 | $102 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 65 | 65 | $145 | |
85610 |
Blood test, clotting time | 29 | 15 | $4 | |
93793 |
Anticoagulant management of patient taking warfarin | 27 | 14 | $13 | |
G0008 |
Administration of influenza virus vaccine | 18 | 18 | $35 | |
G0009 |
Administration of pneumococcal vaccine | 17 | 17 | $35 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 16 | 16 | $281 | |
90662 |
Influenza vaccine split virus, preservative free | 15 | 15 | $72 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 13 | $200 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 77. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
459
Patients
60
Total drug cost
$20,484
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 79 | 24 | $798 |
| Losartan Potassium | Generic | 49 | 13 | $588 |
| Levothyroxine Sodium | Generic | 44 | 12 | $574 |
| Hydrochlorothiazide | Generic | 39 | 11 | $168 |
| Metoprolol Succinate | Generic | 34 | 0 | $692 |
| Amlodipine Besylate | Generic | 30 | 0 | $182 |
| Lisinopril | Generic | 29 | 0 | $151 |
| Simvastatin | Generic | 28 | 0 | $343 |
| Diazepam | Generic | 24 | 0 | $73 |
| Clonazepam | Generic | 23 | 0 | $42 |
Frequently asked questions
What is Dr. Kathleen Langan's medical specialty?
Dr. Kathleen Langan practices Family Medicine Physician in Fairfax, VA.
Where does Dr. Kathleen Langan practice?
Dr. Kathleen Langan practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 220331715. Office phone: 7033912020.
What is Dr. Kathleen Langan's NPI?
Dr. Kathleen Langan's National Provider Identifier (NPI) is 1538455001, issued by NPPES.
Does Dr. Kathleen Langan accept Medicare assignment?
Yes. Dr. Kathleen Langan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Langan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.