Karen Imma Gellada, MD
NPI 1285897967 · Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Byron, IL
Enrolled with Medicare as Practitioner - Undersea and Hyperbaric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Imma Gellada, MD is a Undersea and Hyperbaric Medicine (Preventive Medicine) Physician provider in Byron, IL (NPI 1285897967).
Provider details
- NPI number
- 1285897967
- Entity type
- Individual
- Primary specialty
- Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036-127497 (IL)
Specialties & taxonomies
- Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianPrimary2083P0011XLicense 036-127497 (IL)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
429 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $98 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $66 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $131 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 30 | $38 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 359 | 118 |
| Amlodipine Besylate | 184 | 58 |
| Levothyroxine Sodium | 174 | 50 |
| Losartan Potassium | 160 | 49 |
| Lisinopril | 141 | 47 |
| Pantoprazole Sodium | 99 | 32 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 1425 N Randall RdElgin, IL 60123-2300Phone: (224) 783-3450
- 2900 W Oklahoma AveMilwaukee, WI 53215-4330Phone: (414) 649-6000
Registry dates
- Enumerated
- 2008-07-03
- Last updated
- 2026-01-28
- Certified
- 2026-01-28
Frequently asked questions
- What is Karen Imma Gellada's NPI number?
- Karen Imma Gellada's National Provider Identifier (NPI) is 1285897967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Imma Gellada's specialty?
- Karen Imma Gellada is listed in the NPPES registry with a primary specialty of Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Imma Gellada located?
- Karen Imma Gellada's practice location on file with NPPES is 130 Kysor Dr, Byron, IL 61010-9402.
- What is Karen Imma Gellada's phone number?
- The practice phone number listed in the NPPES registry for Karen Imma Gellada is (309) 672-4977.
- Does Karen Imma Gellada accept Medicare?
- Karen Imma Gellada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Imma Gellada's NPI active?
- Yes — Karen Imma Gellada's NPI (1285897967) is active in the NPPES registry as of the last update on 2026-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.