Spencer Idstein, M.D.
NPI 1205194693 · Internal Medicine Physician · Prospect, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Idstein, M.D. is a Internal Medicine Physician provider in Prospect, KY (NPI 1205194693).
Provider details
- NPI number
- 1205194693
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49531 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
31 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 | 20 | $124 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 11 | $126 |
Typical Medicare-allowed amounts for these services range $124–$126 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 73 | 33 |
| Atorvastatin Calcium | 73 | 32 |
| Rosuvastatin Calcium | 73 | 30 |
| Lisinopril | 59 | 26 |
| Levothyroxine Sodium | 51 | 18 |
| Pantoprazole Sodium | 45 | 22 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-24
- Last updated
- 2023-12-08
- Certified
- 2023-12-08
Frequently asked questions
- What is Spencer Idstein's NPI number?
- Spencer Idstein's National Provider Identifier (NPI) is 1205194693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Idstein's specialty?
- Spencer Idstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Idstein located?
- Spencer Idstein's practice location on file with NPPES is 6341 Meeting St Ste 102, Prospect, KY 40059-8731.
- What is Spencer Idstein's phone number?
- The practice phone number listed in the NPPES registry for Spencer Idstein is (502) 566-0300.
- Does Spencer Idstein accept Medicare?
- Spencer Idstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Idstein's NPI active?
- Yes — Spencer Idstein's NPI (1205194693) is active in the NPPES registry as of the last update on 2023-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.