Frederick J. Pfalzgraf, M.D.
Rheumatology Physician · Herrin, IL
Frederick J. Pfalzgraf, M.D. is a rheumatology physician with a practice address in Herrin, Illinois, and NPI 1659385581, issued on Jul 28, 2006. Check the license (Illinois 036102694, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Frederick J. Pfalzgraf
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036102694 IL
Self-reported in NPPES; status is on the state search - Practice location
- 408 Lincoln Dr, Herrin, IL 62948
- Phone
- (618) 993-1408
- Enumerated
- Jul 28, 2006
- Record last updated
- Jun 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 036102694 IL
- Medicare enrollment
- Enrolled (PECOS I20170131001019); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1991
- Entity
- Type 1 · individual
Verify Frederick J. Pfalzgraf 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 036102694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average rheumatology physician in 2024
3,446 Medicare Part D claims for 382 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 162 claims were for opioids.
Most prescribed
- Methotrexate631 claims
- Prednisone582 claims
- Hydroxychloroquine Sulfate408 claims
- Leflunomide225 claims
- Duloxetine Hcl150 claims
- Celecoxib115 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: $2,194.25
83 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
4 hospitals and group practices
- Mercy Hospital PerryPerryville, MO · Critical Access Hospitals2 of 5 stars
- Ferrell Hospital Community FoundationEldorado, IL
- Franklin Hospital DistrictBenton, IL
- Marshall Browning Hospital AssociationDu Quoin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
Other rheumatology physician records in Illinois
- Haneen Abdalhadi, MDRockford, IL1750887592
- Suhair Abdel-Jalil, MDEvanston, IL1174572929
- Hrudya Abraham, MDPeoria, IL1497135750
- Elaine Adams, MDMaywood, IL1699752592
- Emem Adolf-Ubokudom, M.D.Chicago, IL1861780603
- Shri Agrawal, M.D.Chicago, IL1912937178
- Umber Ahmad, DOMcHenry, IL1083957153
- Saba AhmedChicago, IL1861448003
- Harpinder Ajmani, M.D.Chicago, IL1720101066
- Iqbal Akhter, M.D.Mount Vernon, IL1083719991
Common questions
What is Frederick J. Pfalzgraf, M.D.'s NPI number?
Frederick J. Pfalzgraf, M.D.'s National Provider Identifier (NPI) is 1659385581, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick J. Pfalzgraf, M.D. located?
The NPPES record lists a practice address at 408 Lincoln Dr, Herrin, IL, 62948. Phone: (618) 993-1408. Providers update this record themselves, so call before visiting.
How can I verify Frederick J. Pfalzgraf, M.D.'s license?
NPPES lists Illinois license number 036102694, 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 Frederick J. Pfalzgraf, M.D. prescribe under Medicare Part D?
In 2024, Frederick J. Pfalzgraf, M.D. had 3,446 Medicare Part D claims for 382 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.