Maria Hernandez, MD
NPI 1588721419 · Internal Medicine Physician · Galena, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Hernandez, MD is a Internal Medicine Physician provider in Galena, IL (NPI 1588721419).
Provider details
- NPI number
- 1588721419
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036-114327 (IL)
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
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
767 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 209 | $87 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 75 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 48 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 47 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 43 | $16 |
| Hemoglobin A1c Level83036 | 42 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 85 | 75 |
| Levothyroxine Sodium | 79 | 21 |
| Atorvastatin Calcium | 61 | 16 |
| Methylprednisolone | 60 | 50 |
| Cephalexin | 55 | 44 |
| Pantoprazole Sodium | 48 | 17 |
| Prednisone | 47 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 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
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2022-12-30
- Certified
- 2022-12-30
Frequently asked questions
- What is Maria Hernandez's NPI number?
- Maria Hernandez's National Provider Identifier (NPI) is 1588721419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Hernandez's specialty?
- Maria Hernandez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Hernandez located?
- Maria Hernandez's practice location on file with NPPES is 10988 Bartel Blvd, Galena, IL 61036-8222.
- What is Maria Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Maria Hernandez is (815) 777-0900.
- Does Maria Hernandez accept Medicare?
- Maria Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Hernandez's NPI active?
- Yes — Maria Hernandez's NPI (1588721419) is active in the NPPES registry as of the last update on 2022-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.