Doctor profile · Federal record
Dr. Timothy Muir, MD
Internal Medicine Physician (CMS: Internal Medicine) · Falls Church, VA
- NPI 1518012806
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
500 W Annandale RD
Falls Church, VA 220464205
(703) 521-6662
fax (703) 521-5991
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- February 13, 2014
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Virginia #0101226093
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518012806. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,848
Distinct HCPCS
10
Medicare allowed
$231,958
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 584 | 427 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 511 | 376 | $101 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 461 | 461 | $145 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 408 | 273 | $142 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 291 | 280 | $16 | |
G0008 |
Administration of influenza virus vaccine | 129 | 127 | $34 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 126 | 126 | $75 | |
90480 |
Admn sarscov2 vacc 1 dose | 79 | 79 | $46 | |
91320 |
Sarscv2 vac 30mcg trs-suc im | 78 | 78 | $128 | |
0124A |
Adm sarscv2 bvl 30mcg/.3ml a | 28 | 28 | $45 |
In context: peer comparison
Among 63 peers in this city , average services per provider: 131. This provider delivers 22× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,764
Patients
469
Total drug cost
$24,537
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 328 | 93 | $3,920 |
| Levothyroxine Sodium | Generic | 199 | 51 | $2,345 |
| Losartan Potassium | Generic | 197 | 52 | $2,650 |
| Amlodipine Besylate | Generic | 143 | 38 | $1,243 |
| Simvastatin | Generic | 108 | 31 | $1,228 |
| Alprazolam | Generic | 103 | 24 | $938 |
| Metoprolol Succinate | Generic | 99 | 27 | $1,952 |
| Tamsulosin Hcl | Generic | 89 | 27 | $2,308 |
| Lisinopril | Generic | 86 | 24 | $864 |
| Metformin Hcl | Generic | 76 | 15 | $457 |
Hospital affiliations
Frequently asked questions
What is Dr. Timothy Muir's medical specialty?
Dr. Timothy Muir practices Internal Medicine Physician in Falls Church, VA.
Where does Dr. Timothy Muir practice?
Dr. Timothy Muir practices at 500 W Annandale RD, Falls Church, VA 220464205. Office phone: 7035216662.
What is Dr. Timothy Muir's NPI?
Dr. Timothy Muir's National Provider Identifier (NPI) is 1518012806, issued by NPPES.
Does Dr. Timothy Muir accept Medicare assignment?
Yes. Dr. Timothy Muir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Muir commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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.