Maria Diener, FNP-C
NPI 1942796503 · Family Nurse Practitioner · Cincinnati, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Diener, FNP-C is a Family Nurse Practitioner provider in Cincinnati, OH (NPI 1942796503).
Provider details
- NPI number
- 1942796503
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- APRN.CNP.024804 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
492 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 174 | $72 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 82 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 33 | $11 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 15 | $69 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 418 | 187 |
| Levothyroxine Sodium | 351 | 157 |
| Amlodipine Besylate | 327 | 161 |
| Rosuvastatin Calcium | 306 | 146 |
| Lisinopril | 256 | 131 |
| Omeprazole | 235 | 98 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 4 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
Additional practice locations (3)
- 1400 Grand AveNewport, KY 41071-2570Phone: (859) 905-3070Fax: (859) 441-1348
- 3101 Burnet AveCincinnati, OH 45229-3014Phone: (513) 357-7289
- 7991 Beechmont AveCincinnati, OH 45255-3189Phone: (513) 528-5600
Registry dates
- Enumerated
- 2018-07-07
- Last updated
- 2022-03-02
- Certified
- 2022-03-02
Frequently asked questions
- What is Maria Diener's NPI number?
- Maria Diener's National Provider Identifier (NPI) is 1942796503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Diener's specialty?
- Maria Diener is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Diener located?
- Maria Diener's practice location on file with NPPES is 7200 Blue Ash Rd, Cincinnati, OH 45236-3626.
- What is Maria Diener's phone number?
- The practice phone number listed in the NPPES registry for Maria Diener is (513) 975-0377.
- Does Maria Diener accept Medicare?
- Maria Diener is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Diener's NPI active?
- Yes — Maria Diener's NPI (1942796503) is active in the NPPES registry as of the last update on 2022-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.