Sandra L. Gadson, MD
Nephrology Physician · Merrillville, IN
Sandra L. Gadson, MD is a nephrology physician with a practice address in Merrillville, Indiana, and NPI 1841297348, issued on Jun 30, 2005. Check the license (Indiana 10129625A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Sandra L. Gadson
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 10129625A IN
036058441 IL
Self-reported in NPPES; status is on the state search - Practice location
- 90 W 86TH Ave, Merrillville, IN 46410
- Phone
- (219) 791-1555
- Enumerated
- Jun 30, 2005
- Record last updated
- May 31, 2022
- Fax
- (219) 791-1560
- Medicaid ID
- 100360450B IN
- Medicare enrollment
- Enrolled (PECOS I20110913000744); may accept Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 265 in Indiana → Look up another NPI →
Also registered at 90 W 86TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yves Frantz Brignol, MBA/HA, CMCNephrology Physician1396742748
- Cindy Chapman, NURSE PRACTITIONERFamily Nurse Practitioner1104410968
- Kenneth Choi, MDNephrology Physician1619098571
- Rafael Fletes, M.D.Nephrology Physician1952306466
- Thomas Golubski, MDNephrology Physician1639176118
- Nader Ismail, DONephrology Physician1689135618
Verify Sandra L. Gadson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 10129625ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nephrology physician in 2024
250 Medicare Part D claims for 46 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Furosemide29 claims
- Atorvastatin Calcium19 claims
- Pantoprazole Sodium15 claims
- Amlodipine Besylate14 claims
- Farxiga13 claims
- Metoprolol Succinate13 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: $447.18
21 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Sandra L. Gadson among 265 nephrology physician records in Indiana
Sandra L. Gadson, MD is one of 265 nephrology physician records with a practice address in Indiana. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 74% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1976 · median 2000 among the 200 with a school on file
- Record last updated2022 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 nephrology physician records list a practice address in Merrillville
They are 19 of the 1,972 NPPES records with a practice address in Merrillville, and 265 nephrology physician records in Indiana.
All 265 in Indiana → Every provider in Merrillville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Maher Ajam, M.D.Merrillville, IN 464101548265135
- Yves Frantz Brignol, MBA/HA, CMCMerrillville, IN 464101396742748
- Saurabh Chawla, M.D.Merrillville, IN 464101528137411
- Kenneth Choi, MDMerrillville, IN 464101619098571
- Rafael Fletes, M.D.Merrillville, IN 464101952306466
- Thomas Golubski, MDMerrillville, IN 464101639176118
- Ali Kheirbek, MDMerrillville, IN 464101174520415
- Sridivya Kumar, M.D.Merrillville, IN 464101538332689
Common questions
What is Sandra L. Gadson, MD's NPI number?
Sandra L. Gadson, MD's National Provider Identifier (NPI) is 1841297348, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sandra L. Gadson, MD located?
The NPPES record lists a practice address at 90 W 86TH Ave, Merrillville, IN, 46410. Phone: (219) 791-1555. Providers update this record themselves, so call before visiting.
How can I verify Sandra L. Gadson, MD's license?
NPPES lists Indiana license number 10129625A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra L. Gadson, MD prescribe under Medicare Part D?
In 2024, Sandra L. Gadson, MD had 250 Medicare Part D claims for 46 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.