Viswanathan S. Iyer, MD
Nephrology Physician · Camp Hill, PA
Viswanathan S. Iyer, MD is a nephrology physician with a practice address in Camp Hill, Pennsylvania, and NPI 1871718338, issued on Apr 17, 2007. Check the license (Pennsylvania MD431419, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Viswanathan S. Iyer
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD431419 PA
Self-reported in NPPES; status is on the state search - Practice location
- 205 Grandview Ave Ste 301, Camp Hill, PA 17011
- Phone
- (717) 695-0394
- Enumerated
- Apr 17, 2007
- Record last updated
- Mar 3, 2022
- Fax
- (717) 695-0398
- Medicare enrollment
- Enrolled (PECOS I20070614000292); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 205 Grandview Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Ezeji, M.DNephrology Physician1073908695
Verify Viswanathan S. Iyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD431419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average nephrology physician in 2024
2,414 Medicare Part D claims for 245 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate167 claims
- Furosemide158 claims
- Hydralazine Hcl138 claims
- Losartan Potassium101 claims
- Sevelamer Carbonate94 claims
- Carvedilol88 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.
The MIPS final score for 2023 (Medicare payment program): 79.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,360.96
71 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.
Bills Medicare through 3 group practices
- Associates IN Kidney Diseases Hypertension And Intensive Care MedicineCamp Hill, PA
- Critical Care Medical Management Associates PLLCMechanicsburg, PA
- Pinnacle Health Medical ServicesHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Viswanathan S. Iyer among 651 nephrology physician records in Pennsylvania
Viswanathan S. Iyer, MD is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% 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 49% of them.
- NPI issued2007 · 49% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2001 among the 468 with a school on file
- Record last updated2022 · 57% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Pennsylvania
There are 651 nephrology physician records in Pennsylvania.
All 651 in Pennsylvania → Every provider in Camp Hill → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ghansham Das, MDCamp Hill, PA 170111831741529
- Mohamed Elnour, M.D., FASNCamp Hill, PA 170111679565527
- George Ezeji, M.DCamp Hill, PA 170111073908695
- Alaine Gada, MDCamp Hill, PA 170111871794339
- Sangeeta MitalCamp Hill, PA 170111700857554
- Kaushal Patel, M.D.Camp Hill, PA 170111841438645
- Surju Patel, MDCamp Hill, PA 170111326359977
- Julie Rothman, D.O.Camp Hill, PA 170111629079314
Common questions
What is Viswanathan S. Iyer, MD's NPI number?
Viswanathan S. Iyer, MD's National Provider Identifier (NPI) is 1871718338, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Viswanathan S. Iyer, MD located?
The NPPES record lists a practice address at 205 Grandview Ave Ste 301, Camp Hill, PA, 17011. Phone: (717) 695-0394. Providers update this record themselves, so call before visiting.
How can I verify Viswanathan S. Iyer, MD's license?
NPPES lists Pennsylvania license number MD431419, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Viswanathan S. Iyer, MD prescribe under Medicare Part D?
In 2024, Viswanathan S. Iyer, MD had 2,414 Medicare Part D claims for 245 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Viswanathan S. Iyer, MD's MIPS final score?
The 2023 MIPS final score is 79.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.