Diana Deitzer, DO
NPI 1669645362 · Nephrology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Deitzer, DO is a Nephrology Physician provider in Cleveland, OH (NPI 1669645362).
Provider details
- NPI number
- 1669645362
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 34.010439 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
557 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 190 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $92 |
| 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 | 76 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 119 | 49 |
| Losartan Potassium | 109 | 33 |
| Lisinopril | 95 | 37 |
| Carvedilol | 60 | 18 |
| Doxazosin Mesylate | 47 | 17 |
| Furosemide | 45 | 17 |
| Potassium Chloride | 42 | 15 |
| Torsemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 across 10 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
- 2008-04-02
- Last updated
- 2022-09-01
- Certified
- 2022-09-01
Frequently asked questions
- What is Diana Deitzer's NPI number?
- Diana Deitzer's National Provider Identifier (NPI) is 1669645362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Deitzer's specialty?
- Diana Deitzer is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Deitzer located?
- Diana Deitzer's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Diana Deitzer's phone number?
- The practice phone number listed in the NPPES registry for Diana Deitzer is (216) 222-4400.
- Does Diana Deitzer accept Medicare?
- Diana Deitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Deitzer's NPI active?
- Yes — Diana Deitzer's NPI (1669645362) is active in the NPPES registry as of the last update on 2022-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.