Physician Profile
Unclaimed ProfileAbout STACK
Jay Irving Stack, M.D. practises nephrology in Morristown, NJ. Jay is a 1976 graduate of Perelman School of Med at the University of Pennsylvania.
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
Common questions
What is Dr. Stack's specialty?
Dr. Stack is a nephrology in Morristown, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Where can I find Dr. Stack?
Dr. Stack is listed at 95 MADISON AVE, Morristown, NJ 07960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Stack?
The number on file is (973) 775-5151. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Stack's NPI number?
Dr. Stack's National Provider Identifier is 1245325026. 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
What is Dr. Stack's medical education?
Dr. Stack attended Perelman School of Med at the University of Pennsylvania, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Stack been practising?
Dr. Stack has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Stack known for?
According to Medicare billing data, Dr. Stack provides treatments such as dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Stack confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stack. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (973) 775-5151
- Email not available
Practice Locations
95 MADISON AVE
Morristown, NJ 07960
Procedures Most Often Billed to Medicare
1,067 services · 451 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
350 |
| 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 |
335 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
268 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
59 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
42 |
| Automated urinalysis test | Lab test | 81003 |
13 |
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.
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 Morristown 8
Same specialty, same city.
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1976 at Perelman School of Med at the University of Pennsylvania 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in NJ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.