Chioma Ogala, M.D
NPI 1528455391 · Internal Medicine Physician · Marana, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chioma Ogala, M.D is a Internal Medicine Physician provider in Marana, AZ (NPI 1528455391).
Provider details
- NPI number
- 1528455391
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
54 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 18 | $23 |
| Screening Mammography77067 | 18 | $88 |
| Hemoglobin A1c Level83036 | 18 | $10 |
Typical Medicare-allowed amounts for these services range $10–$88 (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 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 297 | 128 |
| Levothyroxine Sodium | 154 | 65 |
| Amlodipine Besylate | 145 | 64 |
| Lisinopril | 137 | 61 |
| Losartan Potassium | 127 | 55 |
| Hydrochlorothiazide | 81 | 33 |
| Semaglutidebrand: Ozempic |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 2 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 (2)
- 400 W Camino Casa Verde Ste 100Green Valley, AZ 85614-3569Phone: (520) 625-1760Fax: (520) 648-9496
- 1155 Mill StReno, NV 89502-1576Phone: (775) 327-5174
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2025-01-10
- Certified
- 2025-01-10
Frequently asked questions
- What is Chioma Ogala's NPI number?
- Chioma Ogala's National Provider Identifier (NPI) is 1528455391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chioma Ogala's specialty?
- Chioma Ogala is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chioma Ogala located?
- Chioma Ogala's practice location on file with NPPES is 13395 N Marana Main St, Marana, AZ 85653-7008.
- What is Chioma Ogala's phone number?
- The practice phone number listed in the NPPES registry for Chioma Ogala is (520) 682-4111.
- Does Chioma Ogala accept Medicare?
- Chioma Ogala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chioma Ogala's NPI active?
- Yes — Chioma Ogala's NPI (1528455391) is active in the NPPES registry as of the last update on 2025-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.