Cary Zietlow, M.D.
NPI 1013960590 · Internal Medicine Physician · Shelbyville, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cary Zietlow, M.D. is a Internal Medicine Physician provider in Shelbyville, IN (NPI 1013960590).
Provider details
- NPI number
- 1013960590
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01042918A (IN)
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
342 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 220 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 83 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $120 |
Typical Medicare-allowed amounts for these services range $73–$120 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 24 | 23 |
| Pantoprazole Sodium | 18 | 11 |
| Spironolactone | 17 | 16 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 13 | 12 |
| Cefdinir | 13 | 13 |
| Lisinopril | 12 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2025-12-14
- Certified
- 2025-12-14
Frequently asked questions
- What is Cary Zietlow's NPI number?
- Cary Zietlow's National Provider Identifier (NPI) is 1013960590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cary Zietlow's specialty?
- Cary Zietlow is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cary Zietlow located?
- Cary Zietlow's practice location on file with NPPES is 2451 Intelliplex Dr, Shelbyville, IN 46176-8580.
- What is Cary Zietlow's phone number?
- The practice phone number listed in the NPPES registry for Cary Zietlow is (317) 392-3211.
- Does Cary Zietlow accept Medicare?
- Cary Zietlow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cary Zietlow's NPI active?
- Yes — Cary Zietlow's NPI (1013960590) is active in the NPPES registry as of the last update on 2025-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.