Doctor profile · Federal record
Dr. Daniel Assefa, MD
Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Internal Medicine Physician · Winchester, VA
- NPI 1770740037
- Accepts Medicare
- MIPS 93.2 / 100 · 2023
- 34 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1840 Amherst St
Winchester, VA 22601
(540) 536-2270
fax (540) 536-7847 - Additional location
-
4000 Coliseum Dr Ste 310
Hampton, VA 236665983
(757) 827-2300
fax (757) 390-3169 - Mailing address
-
136 Linden Dr, Suite 104
Winchester, VA 226016900
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- May 23, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- Virginia #0101247724 · Maryland #P-22574
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770740037. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,086
Distinct HCPCS
6
Medicare allowed
$101,324
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 442 | 138 | $79 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 313 | 103 | $49 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 185 | 160 | $172 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 81 | 54 | $141 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 44 | 37 | $97 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $173 |
In context: peer comparison
Among 1 peers in Winchester Infectious Disease Physician, average services per provider: 181. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
392
Patients
12
Total drug cost
$636,851
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 54 | 12 | $824 |
| Juluca (Dolutegravir/Rilpivirine) | Brand | 50 | 0 | $176,574 |
| Ampicillin Sodium | Generic | 39 | 0 | $6,831 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 38 | 0 | $125,683 |
| Tivicay (Dolutegravir Sodium) | Brand | 29 | 0 | $62,476 |
| Amoxicillin | Generic | 28 | 0 | $353 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 27 | 0 | $102,726 |
| Descovy (Emtricitabine/Tenofov Alafenam) | Brand | 22 | 0 | $48,139 |
| Doxycycline Monohydrate | Generic | 22 | 0 | $717 |
| Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) | Brand | 18 | 0 | $72,222 |
Hospital affiliations
Frequently asked questions
What is Dr. Daniel Assefa's medical specialty?
Dr. Daniel Assefa practices Infectious Disease Physician in Winchester, VA.
Where does Dr. Daniel Assefa practice?
Dr. Daniel Assefa practices at 1840 Amherst St, Winchester, VA 22601. Office phone: 5405362270.
What is Dr. Daniel Assefa's NPI?
Dr. Daniel Assefa's National Provider Identifier (NPI) is 1770740037, issued by NPPES.
Does Dr. Daniel Assefa accept Medicare assignment?
Yes. Dr. Daniel Assefa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Assefa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.