Doctor profile · Federal record
Dr. Sandra Herrmann, MD
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Rochester, MN
- NPI 1790964088
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 1St St Sw
Rochester, MN 55905
(507) 284-2511
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Profile last updated
- August 14, 2020
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Minnesota #51936
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790964088. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
269
Distinct HCPCS
6
Medicare allowed
$18,023
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 145 | 61 | $48 | |
90935 |
Hemodialysis procedure with physician evaluation | 47 | 25 | $70 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 36 | 35 | $80 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 14 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 13 | $127 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $164 |
In context: peer comparison
Among 28 peers in Rochester Nephrology Physician, average services per provider: 95. This provider delivers 2.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Sandra Herrmann's medical specialty?
Dr. Sandra Herrmann practices Nephrology Physician in Rochester, MN.
Where does Dr. Sandra Herrmann practice?
Dr. Sandra Herrmann practices at 200 1St St Sw, Rochester, MN 55905. Office phone: 5072842511.
What is Dr. Sandra Herrmann's NPI?
Dr. Sandra Herrmann's National Provider Identifier (NPI) is 1790964088, issued by NPPES.
Does Dr. Sandra Herrmann accept Medicare assignment?
Yes. Dr. Sandra Herrmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Herrmann commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hemodialysis procedure with physician evaluation (HCPCS 90935); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.