Generoso Najera Sison, M.D.
Family Medicine Physician · Pekin, IL
Generoso Najera Sison, M.D. is a family medicine physician with a practice address in Pekin, Illinois, and NPI 1609085273, issued on May 21, 2007. Check the license (Illinois 036119917, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Generoso Najera Sison
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036119917 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 S 13TH St, Pekin, IL 61554
- Phone
- (309) 346-1102
- Enumerated
- May 21, 2007
- Record last updated
- Jul 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (309) 347-2885
- Medicare enrollment
- Enrolled (PECOS I20081125000223); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 600 S 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nels Calvert, MDEmergency Medical Services (Emergency Medicine) Physician1306938675
- David Draksler, CRNACertified Registered Nurse Anesthetist1760407860
- Mariah Faivre, M.S.Speech-Language Pathologist1912177528
- Judy Getz, RD, BS, LDRegistered Dietitian1528188315
- Melissa Glass, APRN-FPAFamily Nurse Practitioner1750833356
Verify Generoso Najera Sison 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 036119917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
11,949 Medicare Part D claims for 778 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 379 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,280 claims
- Levothyroxine Sodium567 claims
- Omeprazole472 claims
- Lisinopril366 claims
- Metformin Hcl336 claims
- Tramadol Hcl288 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: $37.16
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 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 3 group practices
- Carle Health Care IncorporatedPekin, IL
- Methodist Medical Center OF IllinoisPekin, IL
- Proctor Health SystemsPekin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Generoso Najera Sison among 6,215 family medicine physician records in Illinois
Generoso Najera Sison, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1988 · median 2006 among the 3,714 with a school on file
- Record last updated2009 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Pekin
They are 11 of the 477 NPPES records with a practice address in Pekin, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Pekin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brogan Bahler, M.D.Pekin, IL 615541750738258
- Curtis Fisher, DOPekin, IL 615541710941331
- Romeo Kabatay, MDPekin, IL 615541194921114
- Maria Kabatay-Lee Ho, MDPekin, IL 615541174560353
- Jeffrey Lee Ho, MDPekin, IL 615541861444994
- Kevin Miller, DOPekin, IL 615541770589012
- Sukhwinder Multani, M.D.Pekin, IL 615541518176601
- John Quinones, DOPekin, IL 615541063520021
Common questions
What is Generoso Najera Sison, M.D.'s NPI number?
Generoso Najera Sison, M.D.'s National Provider Identifier (NPI) is 1609085273, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Generoso Najera Sison, M.D. located?
The NPPES record lists a practice address at 600 S 13TH St, Pekin, IL, 61554. Phone: (309) 346-1102. Providers update this record themselves, so call before visiting.
How can I verify Generoso Najera Sison, M.D.'s license?
NPPES lists Illinois license number 036119917, 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 Generoso Najera Sison, M.D. prescribe under Medicare Part D?
In 2024, Generoso Najera Sison, M.D. had 11,949 Medicare Part D claims for 778 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.