Frederick S. Alexander, MD
Infectious Disease Physician · Joliet, IL
Frederick S. Alexander, MD is an infectious disease physician with a practice address in Joliet, Illinois, and NPI 1730251042, issued on Nov 14, 2006. Check the license (Illinois 036066912, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Frederick S. Alexander
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036066912 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1051 Essington RD, Joliet, IL 60435
- Phone
- (815) 726-1818
- Enumerated
- Nov 14, 2006
- Record last updated
- Feb 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (815) 726-0232
- Medicaid ID
- 036066912 IL
- Medicare enrollment
- Enrolled (PECOS I20050117000251); accepts Medicare assignment
- Medical or professional school
- Illinois Medical College, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 1051 Essington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deepika Buchupalli, M.D.Infectious Disease Physician1306000484
- Samiullah Choudry, M.D.Internal Medicine Physician1275715484
- Meredith Cirrincione, MS, PA-CMedical Physician Assistant1992800270
- Alishia Davison, PA-CPhysician Assistant1760810915
- Stephen Epner, MDInternal Medicine Physician1114047115
- Dan Anthony Garganera, M.D.Infectious Disease Physician1306947536
Verify Frederick S. Alexander 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 036066912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average infectious disease physician in 2024
1,685 Medicare Part D claims for 351 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate241 claims
- Amoxicillin-Clavulanate Potass184 claims
- Levofloxacin118 claims
- Cefdinir107 claims
- Ciprofloxacin Hcl93 claims
- Cefadroxil90 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: $14,604.81
28 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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.
Bills Medicare through one group practice
- Metro Infectious Disease Consultants LLCNew Lenox, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick S. Alexander among 464 infectious disease physician records in Illinois
Frederick S. Alexander, MD is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1995 · median 2004 among the 311 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Joliet → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Deepika Buchupalli, M.D.Joliet, IL 604351306000484
- Dan Anthony Garganera, M.D.Joliet, IL 604351306947536
- Atul Gupta, MDJoliet, IL 604351821160136
- Shashi Kathpalia, MDJoliet, IL 604351710059027
- Tanmay Patwa, MD,MPHJoliet, IL 604351790071199
- Bazgha Siddiqui, M.DJoliet, IL 604351972776516
- Ines Casey, M.D.Bolingbrook, IL 604401215995378
- Anjum Owaisi, M.D.Bolingbrook, IL 604401942341409
Common questions
What is Frederick S. Alexander, MD's NPI number?
Frederick S. Alexander, MD's National Provider Identifier (NPI) is 1730251042, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick S. Alexander, MD located?
The NPPES record lists a practice address at 1051 Essington RD, Joliet, IL, 60435. Phone: (815) 726-1818. Providers update this record themselves, so call before visiting.
How can I verify Frederick S. Alexander, MD's license?
NPPES lists Illinois license number 036066912, 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 S. Alexander, MD prescribe under Medicare Part D?
In 2024, Frederick S. Alexander, MD had 1,685 Medicare Part D claims for 351 beneficiaries; the average among infectious disease physician prescribers was 689. 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.