Doctor profile · Federal record
Dr. Mark Finger, M.D.
Nephrology Physician (CMS: Nephrology) · Stony Brook, NY
- NPI 1710984125
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2500 Route 347, Bldg 14A
Stony Brook, NY 117902554
(631) 689-7800
fax (631) 689-3016
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- January 3, 2012
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #175861
- Medicaid
- NY #01353548
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710984125. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
208
Distinct HCPCS
6
Medicare allowed
$26,153
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 82 | 46 | $149 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 69 | 47 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 15 | $150 | |
90935 |
Hemodialysis procedure with physician evaluation | 14 | 14 | $81 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $196 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $106 |
In context: peer comparison
Among 4 peers in Stony Brook Nephrology Physician, average services per provider: 207. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
62
Patients
0
Total drug cost
$3,024
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Citrate ER (Potassium Citrate) | Brand | 23 | 0 | $2,653 |
| Losartan Potassium | Generic | 16 | 0 | $112 |
| Torsemide | Generic | 12 | 0 | $92 |
| Amlodipine Besylate | Generic | 11 | 0 | $167 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Finger's medical specialty?
Dr. Mark Finger practices Nephrology Physician in Stony Brook, NY.
Where does Dr. Mark Finger practice?
Dr. Mark Finger practices at 2500 Route 347, Stony Brook, NY 117902554. Office phone: 6316897800.
What is Dr. Mark Finger's NPI?
Dr. Mark Finger's National Provider Identifier (NPI) is 1710984125, issued by NPPES.
Does Dr. Mark Finger accept Medicare assignment?
Yes. Dr. Mark Finger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Finger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.