Spencer Eisenberg, DO
NPI 1417248113 · Geriatric Medicine (Internal Medicine) Physician · Johnson City, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Eisenberg, DO is a Geriatric Medicine (Internal Medicine) Physician provider in Johnson City, NY (NPI 1417248113).
Provider details
- NPI number
- 1417248113
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
731 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 141 | $122 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 136 | $128 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 125 | $71 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 99 | $103 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 62 | $74 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 647 | 92 |
| Atorvastatin Calcium | 619 | 126 |
| Apixabanbrand: Eliquis | 515 | 78 |
| Amlodipine Besylate | 406 | 81 |
| Furosemide | 337 | 68 |
| Pantoprazole Sodium | 336 | 91 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-28
- Last updated
- 2015-07-06
Frequently asked questions
- What is Spencer Eisenberg's NPI number?
- Spencer Eisenberg's National Provider Identifier (NPI) is 1417248113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Eisenberg's specialty?
- Spencer Eisenberg is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Eisenberg located?
- Spencer Eisenberg's practice location on file with NPPES is 507 Main St, Johnson City, NY 13790-1810.
- What is Spencer Eisenberg's phone number?
- The practice phone number listed in the NPPES registry for Spencer Eisenberg is (607) 763-8008.
- Does Spencer Eisenberg accept Medicare?
- Spencer Eisenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Eisenberg's NPI active?
- Yes — Spencer Eisenberg's NPI (1417248113) is active in the NPPES registry as of the last update on 2015-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.