Karen Imma C. Gellada, MD
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Byron, IL
Karen Imma C. Gellada, MD is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in Byron, Illinois, and NPI 1285897967, issued on Jul 3, 2008. Check the license (Illinois 036-127497, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Karen Imma C. Gellada
- Credential
- MD
- Primary taxonomy
- Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
- License numbers
- 036-127497 IL
101961 WI
Self-reported in NPPES; status is on the state search - Practice location
- 130 Kysor Dr, Byron, IL 61010
- Phone
- (309) 672-4977
- Enumerated
- Jul 3, 2008
- Record last updated
- Jan 28, 2026
- Medicaid ID
- 100096326 WI
- Medicare enrollment
- Enrolled (PECOS I20110826000659); accepts Medicare assignment
- Entity
- Type 1 · individual
5 nearest undersea and hyperbaric medicine (preventive medicine) physician records → All 6 in Illinois → Look up another NPI →
Verify Karen Imma C. Gellada 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 036-127497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13.7 times the Medicare Part D claims of the average undersea and hyperbaric medicine (preventive medicine) physician in 2024
4,232 Medicare Part D claims for 304 beneficiaries, against an average of 308 among the 148 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium359 claims
- Amlodipine Besylate184 claims
- Levothyroxine Sodium174 claims
- Losartan Potassium160 claims
- Lisinopril141 claims
- Pantoprazole Sodium99 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 undersea and hyperbaric medicine (preventive medicine) physician record lists a practice address in Byron
They are 1 of the 54 NPPES records with a practice address in Byron, and 6 undersea and hyperbaric medicine (preventive medicine) physician records in Illinois.
All 6 in Illinois → Every provider in Byron → Undersea and Hyperbaric Medicine (Preventive Medicine) Physician nationwide →
The 5 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes
- Sunitha Nair, MDPeoria, IL 616021689672933
- Petronilo Costa, MDDeerfield, IL 600151043435340
- Roger Pons, MDHerrin, IL 629481548217383
- Kurt Maddock, MDMurphysboro, IL 629661740253707
- Sahitya Settypalli, M.DMurphysboro, IL 629661164838371
Common questions
What is Karen Imma C. Gellada, MD's NPI number?
Karen Imma C. Gellada, MD's National Provider Identifier (NPI) is 1285897967, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karen Imma C. Gellada, MD located?
The NPPES record lists a practice address at 130 Kysor Dr, Byron, IL, 61010. Phone: (309) 672-4977. Providers update this record themselves, so call before visiting.
How can I verify Karen Imma C. Gellada, MD's license?
NPPES lists Illinois license number 036-127497, 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 Karen Imma C. Gellada, MD prescribe under Medicare Part D?
In 2024, Karen Imma C. Gellada, MD had 4,232 Medicare Part D claims for 304 beneficiaries; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. 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.