Theodore Stem, M.D.
NPI 1538160049 · Nephrology Physician · Greensburg, PA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Stem, M.D. is a Nephrology Physician provider in Greensburg, PA (NPI 1538160049).
Provider details
- NPI number
- 1538160049
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2016-01133 (NC)
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
421 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 | 401 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 20 | $74 |
Typical Medicare-allowed amounts for these services range $74–$90 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 233 | 79 |
| Calcitriol | 212 | 67 |
| Hydralazine Hcl | 96 | 30 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 74 | 16 |
| Allopurinol | 73 | 26 |
| Furosemide | 69 | 22 |
| Doxazosin Mesylate | 69 | 26 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2016-09-08
Frequently asked questions
- What is Theodore Stem's NPI number?
- Theodore Stem's National Provider Identifier (NPI) is 1538160049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Stem's specialty?
- Theodore Stem is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Stem located?
- Theodore Stem's practice location on file with NPPES is 562 Shearer St, Greensburg, PA 15601-2746.
- What is Theodore Stem's phone number?
- The practice phone number listed in the NPPES registry for Theodore Stem is (724) 836-8303.
- Does Theodore Stem accept Medicare?
- Theodore Stem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Stem's NPI active?
- Yes — Theodore Stem's NPI (1538160049) is active in the NPPES registry as of the last update on 2016-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.