Doctor profile · Federal record
Dr. Marian Greenburg, MD
Internal Medicine Physician (CMS: Internal Medicine) · Marshfield, WI
- NPI 1720198872
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 39 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1000 N Oak Ave
Marshfield, WI 544495777
(715) 389-3334
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #47376
- Medicaid
- WI #34582400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720198872. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
136
Distinct HCPCS
3
Medicare allowed
$12,691
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 91 | $93 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $63 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 18 | 18 | $125 |
In context: peer comparison
Among 14 peers in Marshfield Internal Medicine Physician, average services per provider: 82. This provider delivers 1.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,490
Patients
773
Total drug cost
$120,881
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 293 | 99 | $2,891 |
| Levothyroxine Sodium | Generic | 265 | 81 | $4,012 |
| Omeprazole | Generic | 242 | 73 | $2,521 |
| Lisinopril | Generic | 220 | 69 | $1,932 |
| Amlodipine Besylate | Generic | 201 | 63 | $1,326 |
| Gabapentin | Generic | 186 | 50 | $3,473 |
| Metoprolol Succinate | Generic | 175 | 59 | $2,733 |
| Hydrochlorothiazide | Generic | 158 | 54 | $787 |
| Losartan Potassium | Generic | 127 | 46 | $1,319 |
| Sertraline Hcl | Generic | 117 | 30 | $1,742 |
Hospital affiliations
Frequently asked questions
What is Dr. Marian Greenburg's medical specialty?
Dr. Marian Greenburg practices Internal Medicine Physician in Marshfield, WI.
Where does Dr. Marian Greenburg practice?
Dr. Marian Greenburg practices at 1000 N Oak Ave, Marshfield, WI 544495777. Office phone: 7153893334.
What is Dr. Marian Greenburg's NPI?
Dr. Marian Greenburg's National Provider Identifier (NPI) is 1720198872, issued by NPPES.
Does Dr. Marian Greenburg accept Medicare assignment?
Yes. Dr. Marian Greenburg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marian Greenburg 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.