Diego Granja, M.D. MSC
NPI 1417260811 · Internal Medicine Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Granja, M.D. MSC is a Internal Medicine Physician provider in Springfield, MO (NPI 1417260811).
Provider details
- NPI number
- 1417260811
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. MSC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2018005489 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
367 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 50 Minutes99233 | 147 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 127 | $79 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 52 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 41 | $174 |
Typical Medicare-allowed amounts for these services range $79–$174 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 22 | 22 |
| Atorvastatin Calcium | 18 | 18 |
| Amlodipine Besylate | 17 | 17 |
| Furosemide | 15 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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 (1)
- 20171 Chasewood Park DrHouston, TX 77070-1437Phone: (183) 253-4500
Registry dates
- Enumerated
- 2010-07-14
- Last updated
- 2023-10-04
- Certified
- 2023-10-04
Frequently asked questions
- What is Diego Granja's NPI number?
- Diego Granja's National Provider Identifier (NPI) is 1417260811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Granja's specialty?
- Diego Granja is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diego Granja located?
- Diego Granja's practice location on file with NPPES is 3801 S National Ave, Springfield, MO 65807-5210.
- What is Diego Granja's phone number?
- The practice phone number listed in the NPPES registry for Diego Granja is (417) 269-7728.
- Does Diego Granja accept Medicare?
- Diego Granja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Granja's NPI active?
- Yes — Diego Granja's NPI (1417260811) is active in the NPPES registry as of the last update on 2023-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.