VISWANATHAN S IYER MD
NPI 1871718338
Internal Medicine - Nephrology in Camp Hill, PA

Q: What is Viswanathan Iyer's NPI number?

The NPI number for Viswanathan Iyer is 1871718338. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Q: What is Viswanathan Iyer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Viswanathan Iyer was last updated on March 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 17, 2007PECOS EnrolledAccepts Medicare Assignment

82.54/100

CMS Quality Rating

205 GRANDVIEW AVE STE 301, CAMP HILL, PA 17011(717) 695-0394(717) 695-0398 Get Directions Write a Review

NPPES record last updated: March 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2022, Feb 11, 2021 (2 updates tracked since 2021).

On this page

About Viswanathan S Iyer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VISWANATHAN S IYER MD (NPI 1871718338) is an individual nephrology provider in Camp Hill, Pennsylvania, licensed in Pennsylvania (MD431419) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Penn State Health Holy Spirit Medical Center, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1871718338

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameVISWANATHAN S IYERCredential: MD

Location Address205 GRANDVIEW AVE STE 301Camp Hill, PA 17011-1704

Mailing AddressPo Box 3877Joliet, IL 60434-3877 · (815) 714-7149

Phone(717) 695-0394

Fax(717) 695-0398

Sole ProprietorYes

Medical School CMSOtherGraduated 1990

Enumeration DateApril 17, 2007

Last NPPES UpdateMarch 3, 20222 updates tracked since enumeration

NPPES CertifiedMarch 3, 2022

✔ NPI 1871718338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in PA · MD431419

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD431419 (PA)

Also ListedHospitalistTaxonomy 208M00000X · License MD431419 (PA)

205 GRANDVIEW AVE STE 301, Camp Hill, PA 17011

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Viswanathan S Iyer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002914041

PECOS Enrollment IDI20070614000292

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Viswanathan Iyer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associates In Kidney Diseases Hypertension And Intensive Care Medicine

Same address

Nephrology

205 GRANDVIEW AVE STE 301
Camp Hill, PA 17011

Reassigned Medicare billing, Pennsylvania enrollment
3 clinicians in this Medicare group

NPI 1275784498 (717) 695-0394

Pinnacle Health Medical Services

0.2 mi

Surgery

225 GRANDVIEW AVE STE 303
Camp Hill, PA 17011

Reassigned Medicare billing, Pennsylvania enrollment
1,902 clinicians in this Medicare group

NPI 1992403737 (717) 761-4141

Critical Care Medical Management Associates PLLC

171 mi

Critical Care Medicine

701 N BROADWAY
Sleepy Hollow, NY 10591

Reassigned Medicare billing, Pennsylvania enrollment
6 clinicians in this Medicare group

NPI 1194090878 (914) 366-3000

Ccmma Ca PC

2,370 mi

Critical Care Medicine

1100 BUTTE ST
Redding, CA 96001

Reassigned Medicare billing, California enrollment
46 clinicians in this Medicare group

NPI 1679293443 (530) 244-5400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

468 services108 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

429 services216 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

294 services61 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

168 services54 patients

Telehealth consultation, critical care, subsequent, physicians typically spend 50 minutes communicating with the patient and providers via telehealth G0509

A telehealth consultation for critical care is a virtual meeting with a doctor for ongoing critical health issues. It involves a 50-minute session where the physician connects with the patient and other healthcare providers to discuss and manage the patient's condition. This method ensures safe, convenient care.

136 services90 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

127 services90 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

126 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

119 services57 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

115 services114 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

91 services30 patients

Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth G0508

A telehealth consultation for critical care is a virtual meeting with a physician, typically lasting 60 minutes. Here, the doctor assesses your health condition, provides guidance, and communicates with other care providers, all through digital platforms. It's a safe, convenient way to receive critical care.

59 services59 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

52 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426

Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.

44 services13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

32 services29 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

28 services14 patients

Dialysis services, 1 physician visit per month (20 years or older) 90962

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys canâ€™t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

26 services16 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

26 services13 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

13 services13 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Penn State Health Holy Spirit Medical Center

Acute Care Hospitals · Camp Hill, PA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390004

Location503 North 21st StreetCamp Hill, PA 17011 · Cumberland County

Emergency services

Upmc Carlisle

Acute Care Hospitals · Carlisle, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390058

Location361 Alexander Spring RoadCarlisle, PA 17015 · Cumberland County

Emergency services Birthing friendly

Upmc Pinnacle Hospitals

Acute Care Hospitals · Harrisburg, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390067

Location409 South Second StreetHarrisburg, PA 17104 · Dauphin County

Emergency services Birthing friendly

Penn State Health Hampden Medical Center

Acute Care Hospitals · Enola, PA

OwnershipVoluntary non-profit - Private

CMS Certification Number390336

Location2200 Good Hope RoadEnola, PA 17025 · Cumberland County

Emergency services

Fulton County Medical Center

Critical Access Hospitals · Mcconnellsburg, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number391303

Location214 Peach Orchard RoadMcconnellsburg, PA 17233 · Fulton County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.62

Promoting Interoperability

100

Improvement Activities

Cost

65.18

Reported Quality Measures

Breast Cancer Screening

0%163 patients1/55-star benchmark: 93%

Cervical Cancer Screening

0%111 patients1/55-star benchmark: 98%

Closing the Referral Loop: Receipt of Specialist Report

34%47 patients2/55-star benchmark: 87%

Controlling High Blood Pressure

67%446 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

0%190 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

98%190 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

73%2,411 patients3/55-star benchmark: 100%

e-Prescribing

98%259 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

0%573 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

19%772 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%799 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

18%991 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 1% · 601 patients

1%601 patients

Provide Patients Electronic Access to Their Health Information

21%442 patients1/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

91%331 patients5/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 591 patients

Patients totalRate: 0% · 591 patients

0%591 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$45.12 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims2,640 services$0.93 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

1 supplier21 claims21 services$12.64 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGE EZEJI M.D

Internal Medicine (Nephrology)

205 GRANDVIEW AVE STE 301
CAMP HILL, PA 17011

Cumberland County (717) 695-0394

ASSOCIATES IN KIDNEY DISEASES HYPERTENSION AND INTENSIVE CARE MEDICINE

Internal Medicine (Nephrology)

205 GRANDVIEW AVE STE 301
CAMP HILL, PA 17011

Cumberland County (717) 695-0394

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Viswanathan Iyer's NPI number?

The NPI number for Viswanathan Iyer is 1871718338. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Where is Viswanathan Iyer located?

Viswanathan Iyer practices at 205 Grandview Ave Ste 301, Camp Hill, PA 17011. The listed phone number is (717) 695-0394.

What is Viswanathan Iyer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Viswanathan Iyer enrolled in Medicare?

Yes. Viswanathan Iyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Viswanathan Iyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Viswanathan Iyer reassigns Medicare benefits to 4 organizations: Associates In Kidney Diseases Hypertension And Intensive Care Medicine (Camp Hill, PA), Pinnacle Health Medical Services (Camp Hill, PA), Critical Care Medical Management Associates PLLC (Sleepy Hollow, NY) and Ccmma Ca PC (Redding, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Viswanathan Iyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Viswanathan Iyer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Blue Cross and Blue Shield of Texas and CareSource list Viswanathan Iyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Viswanathan Iyer affiliated with any hospitals?

According to CMS data, Viswanathan Iyer is affiliated with Penn State Health Holy Spirit Medical Center, Upmc Carlisle, Upmc Pinnacle Hospitals, Penn State Health Hampden Medical Center and Fulton County Medical Center.

When was this NPI record last updated?

The NPPES record for Viswanathan Iyer was last updated on March 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.