Doctor profile · Federal record
Dr. Joseph an, D.O.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Portsmouth, VA
- NPI 1144512450
- Accepts Medicare
- MIPS 89.2 / 100 · 2023
- 15 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
620 John Paul Jones Cir
Portsmouth, VA 237082111
(757) 953-1043
fax (757) 953-1036 - Additional location
-
4494 North Palmer Road
Bethesda, MD 208890140
(818) 355-9798 - Mailing address
-
2005 Beringer RD Apt 103
Suffolk, VA 234350148
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- June 13, 2022
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #20A12547
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144512450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
604
Distinct HCPCS
7
Medicare allowed
$59,543
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 350 | 135 | $86 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 101 | 43 | $127 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 58 | 58 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 25 | $59 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 26 | 26 | $162 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 19 | 14 | $71 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $117 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 86. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
580
Patients
183
Total drug cost
$923,401
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 76 | 20 | $1,881 |
| Prednisone | Generic | 68 | 17 | $383 |
| Ondansetron Odt (Ondansetron) | Brand | 54 | 38 | $841 |
| Gabapentin | Generic | 52 | 17 | $984 |
| Prochlorperazine Maleate | Generic | 46 | 33 | $668 |
| Oxycodone Hcl | Generic | 39 | 20 | $517 |
| Tramadol Hcl | Generic | 35 | 14 | $128 |
| Imbruvica (Ibrutinib) | Brand | 33 | 0 | $525,834 |
| Letrozole | Generic | 29 | 0 | $817 |
| Acyclovir | Generic | 27 | 0 | $279 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph an's medical specialty?
Dr. Joseph an practices Hematology & Oncology Physician in Portsmouth, VA.
Where does Dr. Joseph an practice?
Dr. Joseph an practices at 620 John Paul Jones Cir, Portsmouth, VA 237082111. Office phone: 7579531043.
What is Dr. Joseph an's NPI?
Dr. Joseph an's National Provider Identifier (NPI) is 1144512450, issued by NPPES.
Does Dr. Joseph an accept Medicare assignment?
Yes. Dr. Joseph an accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph an 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 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.