Robert Schwartzenberg, M.D.
NPI 1548272545 · Internal Medicine Physician · Fox River Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Schwartzenberg, M.D. is a Internal Medicine Physician provider in Fox River Grove, IL (NPI 1548272545).
Provider details
- NPI number
- 1548272545
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036085572 (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
1,482 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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 664 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 302 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 140 | $172 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 107 | $124 |
| Hemoglobin A1c Level83036 | 80 | $10 |
| Administration of Influenza Virus VaccineG0008 | 39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 681 | 156 |
| Pantoprazole Sodium | 298 | 67 |
| Lisinopril | 276 | 64 |
| Amlodipine Besylate | 275 | 63 |
| Metoprolol Succinate | 228 | 56 |
| Levothyroxine Sodium | 225 | 48 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,065 across 54 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
- 2006-08-12
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Robert Schwartzenberg's NPI number?
- Robert Schwartzenberg's National Provider Identifier (NPI) is 1548272545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Schwartzenberg's specialty?
- Robert Schwartzenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Schwartzenberg located?
- Robert Schwartzenberg's practice location on file with NPPES is 912 Northwest Hwy Ste 206, Fox River Grove, IL 60021-1925.
- What is Robert Schwartzenberg's phone number?
- The practice phone number listed in the NPPES registry for Robert Schwartzenberg is (847) 516-8187.
- Does Robert Schwartzenberg accept Medicare?
- Robert Schwartzenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Schwartzenberg's NPI active?
- Yes — Robert Schwartzenberg's NPI (1548272545) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.