Doctor profile · Federal record
Dr. Mark Herring, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Manitowoc, WI
- NPI 1386766368
- MIPS 82.8 / 100 · 2023
- 45 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1355 Johnston Dr
Manitowoc, WI 542202131
(920) 682-2747
fax (920) 686-1498
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #24825
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386766368. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
630
Distinct HCPCS
8
Medicare allowed
$77,410
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 175 | 77 | $114 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 172 | 62 | $114 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 87 | 65 | $161 | |
99350 |
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 72 | 66 | $167 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 38 | 34 | $162 | |
69210 |
Removal of impacted ear wax | 37 | 33 | $42 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 15 | $71 | |
99239 |
Hospital discharge day management, more than 30 minutes | 19 | 17 | $102 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 57. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,491
Patients
499
Total drug cost
$38,395
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 272 | 46 | $3,336 |
| Warfarin Sodium | Generic | 246 | 28 | $2,718 |
| Furosemide | Generic | 216 | 43 | $1,244 |
| Losartan Potassium | Generic | 203 | 43 | $2,953 |
| Lisinopril | Generic | 185 | 41 | $2,530 |
| Metoprolol Succinate | Generic | 174 | 37 | $3,435 |
| Omeprazole | Generic | 170 | 35 | $3,214 |
| Atorvastatin Calcium | Generic | 169 | 35 | $2,313 |
| Pantoprazole Sodium | Generic | 164 | 36 | $3,311 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 142 | 24 | $5,411 |
Frequently asked questions
What is Dr. Mark Herring's medical specialty?
Dr. Mark Herring practices Internal Medicine Physician in Manitowoc, WI.
Where does Dr. Mark Herring practice?
Dr. Mark Herring practices at 1355 Johnston Dr, Manitowoc, WI 542202131. Office phone: 9206822747.
What is Dr. Mark Herring's NPI?
Dr. Mark Herring's National Provider Identifier (NPI) is 1386766368, issued by NPPES.
Does Dr. Mark Herring accept Medicare assignment?
Dr. Mark Herring does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Herring commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.