Physician Profile
Unclaimed ProfileAbout FINGER
Mark Allen Finger, M.D. is a healthcare provider in Stony Brook, NY specializing in nephrology. Mark trained at University of Vermont College of Medicine, graduating in 1987. Medicare claims data shows Mark provided 247 services to 167 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (631) 689-7800
- Email not available
Practice Locations
2500 ROUTE 347 BLDG 14A
Stony Brook, NY 11790
Procedures Most Often Billed to Medicare
247 services · 167 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
106 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
64 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
40 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nephrology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nephrology specialists in Stony Brook 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Vermont College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Vermont College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Hemodialysis procedure with physician evaluation 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Finger?
Dr. Finger is a nephrology in Stony Brook, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
What is Dr. Finger's address?
Dr. Finger is listed at 2500 ROUTE 347 BLDG 14A, Stony Brook, NY 11790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Finger?
The number on file is (631) 689-7800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Finger?
Dr. Finger's National Provider Identifier is 1710984125. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Finger train?
Dr. Finger attended University of Vermont College of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Finger have?
Dr. Finger has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Finger perform?
According to Medicare billing data, Dr. Finger provides treatments such as hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Finger's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Finger. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.