Douglas Penate, M.D.
NPI 1326337395 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Penate, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1326337395).
Provider details
- NPI number
- 1326337395
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1326337395 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,053 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 374 | $135 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 243 | $139 |
| 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 | 206 | $17 |
| Administration of Influenza Virus VaccineG0008 | 80 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $97 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 829 | 241 |
| Amlodipine Besylate | 565 | 154 |
| Losartan Potassium | 425 | 120 |
| Metformin Hcl | 277 | 87 |
| Levothyroxine Sodium | 217 | 56 |
| Rosuvastatin Calcium | 198 | 55 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-30
- Last updated
- 2016-05-16
Frequently asked questions
- What is Douglas Penate's NPI number?
- Douglas Penate's National Provider Identifier (NPI) is 1326337395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Penate's specialty?
- Douglas Penate is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Penate located?
- Douglas Penate's practice location on file with NPPES is 259 E Erie St, Chicago, IL 60611-2987.
- What is Douglas Penate's phone number?
- The practice phone number listed in the NPPES registry for Douglas Penate is (312) 926-6000.
- Does Douglas Penate accept Medicare?
- Douglas Penate is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Penate's NPI active?
- Yes — Douglas Penate's NPI (1326337395) is active in the NPPES registry as of the last update on 2016-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.