Doctor profile · Federal record
Dr. Mark Flemmer, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Norfolk, VA
- NPI 1639143217
- Accepts Medicare
- MIPS 93.2 / 100 · 2023
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
825 Fairfax Ave, Suite 445
Norfolk, VA 235071914
(757) 889-5432
fax (757) 889-5930 - Mailing address
-
Po Box 936
Norfolk, VA 235010936
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 18, 2020
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Virginia #0101049048
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639143217. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
441
Distinct HCPCS
8
Medicare allowed
$43,672
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 100 | 67 | $116 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 99 | 54 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 40 | $125 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 61 | 59 | $124 | |
99238 |
Hospital discharge day management, 30 minutes or less | 53 | 51 | $78 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 19 | 19 | $126 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 19 | 19 | $17 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 13 | $48 |
In context: peer comparison
Among 61 peers in Norfolk Internal Medicine Physician, average services per provider: 367. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
524
Patients
96
Total drug cost
$19,294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 105 | 28 | $989 |
| Atorvastatin Calcium | Generic | 54 | 17 | $850 |
| Losartan Potassium | Generic | 53 | 16 | $918 |
| Lisinopril | Generic | 41 | 11 | $299 |
| Rosuvastatin Calcium | Generic | 38 | 12 | $898 |
| Chlorthalidone | Generic | 36 | 12 | $935 |
| Duloxetine Hcl | Generic | 30 | 0 | $1,265 |
| Alendronate Sodium | Generic | 26 | 0 | $315 |
| Metformin Hcl | Generic | 25 | 0 | $274 |
| Omeprazole | Generic | 25 | 0 | $734 |
Frequently asked questions
What is Dr. Mark Flemmer's medical specialty?
Dr. Mark Flemmer practices Internal Medicine Physician in Norfolk, VA.
Where does Dr. Mark Flemmer practice?
Dr. Mark Flemmer practices at 825 Fairfax Ave, Norfolk, VA 235071914. Office phone: 7578895432.
What is Dr. Mark Flemmer's NPI?
Dr. Mark Flemmer's National Provider Identifier (NPI) is 1639143217, issued by NPPES.
Does Dr. Mark Flemmer accept Medicare assignment?
Yes. Dr. Mark Flemmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Flemmer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.