Robert Schwartzenberg, M.D.
Internal Medicine Physician · Fox River Grove, IL
Robert Schwartzenberg, M.D. is an internal medicine physician with a practice address in Fox River Grove, Illinois, and NPI 1548272545, issued on Aug 12, 2006. Check the license (Illinois 036085572, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert Schwartzenberg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036085572 IL
Self-reported in NPPES; status is on the state search - Practice location
- 912 Northwest Hwy Ste 206, Fox River Grove, IL 60021
- Phone
- (847) 516-8187
- Enumerated
- Aug 12, 2006
- Record last updated
- May 22, 2025
- Fax
- (847) 516-8235
- Medicaid ID
- 036085572 IL
- Medicare enrollment
- Enrolled (PECOS I20051018000648); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 912 Northwest Hwy Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Manke, FNPFamily Medicine Physician1295582591
- Sneha TharwaniFamily Nurse Practitioner1831846963
Verify Robert Schwartzenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036085572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
8,558 Medicare Part D claims for 354 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 176 claims were for opioids.
Most prescribed
- Atorvastatin Calcium681 claims
- Pantoprazole Sodium298 claims
- Lisinopril276 claims
- Amlodipine Besylate275 claims
- Metoprolol Succinate228 claims
- Levothyroxine Sodium225 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,064.99
54 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Schwartzenberg among 7,238 internal medicine physician records in Illinois
Robert Schwartzenberg, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1984 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Fox River Grove
They are 5 of the 72 NPPES records with a practice address in Fox River Grove, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Fox River Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Hoshizaki, MDFox River Grove, IL 600211053307967
- Katherine Kamholz, M.D.Fox River Grove, IL 600211629062849
- Nehru Murati, M.D.Fox River Grove, IL 600211376704676
- Debbie Weiss, MDFox River Grove, IL 600211962707117
- Thomas Thandupurakal, M.D.Fox Lake, IL 600201841285640
- Teresa Asam-Jensen, M.D.Des Plaines, IL 600181487851184
- Kevin Carney, M.D.Rosemont, IL 600181013948470
- Paresh Patel, M.D.Des Plaines, IL 600181780668244
Common questions
What is Robert Schwartzenberg, M.D.'s NPI number?
Robert Schwartzenberg, M.D.'s National Provider Identifier (NPI) is 1548272545, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Schwartzenberg, M.D. located?
The NPPES record lists a practice address at 912 Northwest Hwy Ste 206, Fox River Grove, IL, 60021. Phone: (847) 516-8187. Providers update this record themselves, so call before visiting.
How can I verify Robert Schwartzenberg, M.D.'s license?
NPPES lists Illinois license number 036085572, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Schwartzenberg, M.D. prescribe under Medicare Part D?
In 2024, Robert Schwartzenberg, M.D. had 8,558 Medicare Part D claims for 354 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.