Theodore Tzeremas, MD
NPI 1831252469 · Nephrology Physician · Tempe, AZ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Tzeremas, MD is a Nephrology Physician provider in Tempe, AZ (NPI 1831252469).
Provider details
- NPI number
- 1831252469
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 248701 (NY)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,204 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 739 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 718 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 435 | $73 |
| Kidney Function Blood Test Panel80069 | 360 | $8 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 283 | $338 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 360 | 116 |
| Losartan Potassium | 344 | 130 |
| Furosemide | 327 | 123 |
| Amlodipine Besylate | 183 | 68 |
| Dapagliflozin Propanediolbrand: Farxiga | 177 | 47 |
| Lisinopril | 175 | 55 |
| Calcitriol | 152 | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,162 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2012-06-19
Frequently asked questions
- What is Theodore Tzeremas's NPI number?
- Theodore Tzeremas's National Provider Identifier (NPI) is 1831252469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Tzeremas's specialty?
- Theodore Tzeremas is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Tzeremas located?
- Theodore Tzeremas's practice location on file with NPPES is 2141 E Warner Rd, Tempe, AZ 85284-3493.
- What is Theodore Tzeremas's phone number?
- The practice phone number listed in the NPPES registry for Theodore Tzeremas is (480) 969-8714.
- Does Theodore Tzeremas accept Medicare?
- Theodore Tzeremas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Tzeremas's NPI active?
- Yes — Theodore Tzeremas's NPI (1831252469) is active in the NPPES registry as of the last update on 2012-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.