Steven Eisenstat, D.O
NPI 1134104516 · Geriatric Medicine (Family Medicine) Physician · Union, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Eisenstat, D.O is a Geriatric Medicine (Family Medicine) Physician provider in Union, NJ (NPI 1134104516).
Provider details
- NPI number
- 1134104516
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- MB4663 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,979 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,151 | $140 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 249 | $142 |
| Administration of Influenza Virus VaccineG0008 | 176 | $34 |
| Advance Care Planning, First 30 Minutes99497 | 115 | $88 |
| Admn Sarscov2 Vacc 1 Dose90480 | 74 | $47 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 186 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,025 | 314 |
| Amlodipine Besylate | 607 | 198 |
| Rosuvastatin Calcium | 511 | 155 |
| Levothyroxine Sodium | 459 | 126 |
| Pantoprazole Sodium | 371 | 135 |
| Metformin Hcl | 370 | 113 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2015-04-01
Frequently asked questions
- What is Steven Eisenstat's NPI number?
- Steven Eisenstat's National Provider Identifier (NPI) is 1134104516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Eisenstat's specialty?
- Steven Eisenstat is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Eisenstat located?
- Steven Eisenstat's practice location on file with NPPES is 1050 Galloping Hill Rd, Union, NJ 07083-7983.
- What is Steven Eisenstat's phone number?
- The practice phone number listed in the NPPES registry for Steven Eisenstat is (908) 688-4845.
- Does Steven Eisenstat accept Medicare?
- Steven Eisenstat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Eisenstat's NPI active?
- Yes — Steven Eisenstat's NPI (1134104516) is active in the NPPES registry as of the last update on 2015-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.