GAUTHAM VISWANATHAN M.D.
NPI 1427194257
Internal Medicine - Nephrology in Atlanta, GA

Q: What is Gautham Viswanathan's NPI number?

The NPI number for Gautham Viswanathan is 1427194257. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Q: What is Gautham Viswanathan's specialty?

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

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

35 COLLIER RD NW, STE 610, ATLANTA, GA 30309(404) 355-7375(404) 350-9781 Get Directions Write a Review

NPPES record last updated: October 29, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Gautham Viswanathan M.d. NPPES

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

GAUTHAM VISWANATHAN M.D. (NPI 1427194257) is an individual nephrology provider in Atlanta, Georgia, licensed in Georgia (71645) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1427194257

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameGAUTHAM VISWANATHANCredential: M.D.

Location Address35 COLLIER RD NW, STE 610Atlanta, GA 30309-1613

Mailing Address35 Collier Rd Nw, Ste 610Atlanta, GA 30309-1613 · (404) 355-7375 · Fax (404) 350-9781

Phone(404) 355-7375

Fax(404) 350-9781

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateJanuary 29, 2007

Last NPPES UpdateOctober 29, 2014

✔ NPI 1427194257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in GA · 71645

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 MedicineTaxonomy 207R00000X · License 01059360A (IN)

35 COLLIER RD NW, Atlanta, GA 30309

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Other Identifiers 3

Other01059360AIN · Medical License

Medicare UPINH93625IN

Other71645GA · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gautham Viswanathan M.d. 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 ID9931184298

PECOS Enrollment IDI20141112002193

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.

Areas of Expertise CMS Part B claims 17

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.

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

585 services342 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.

540 services318 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

196 services179 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

175 services20 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.

137 services85 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.

121 services24 patients

Dialysis services, per day, less than full month service (20 years or older) 90970

Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.

118 services15 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.

116 services25 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

82 services19 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.

74 services74 patients

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.

62 services51 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.

47 services43 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.

27 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

26 services26 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

21 services21 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

17 services17 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.

15 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Wellstar Kennestone Regional Medical Center

Acute Care Hospitals · Marietta, GA

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110035

Location677 Church StreetMarietta, GA 30060 · Cobb County

Emergency services Birthing friendly

Piedmont Hospital

Acute Care Hospitals · Atlanta, GA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110083

Location1968 Peachtree Rd NWAtlanta, GA 30309 · Fulton County

Emergency services Birthing friendly

Piedmont Mountainside Hospital Inc

Acute Care Hospitals · Jasper, GA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number110225

Location1266 Highway 515 SouthJasper, GA 30143 · Pickens County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30309 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

$130.64 typical visit price

range $56.84 – $172.43

Typical copayment $32.66 (range $14.21 – $43.10)

Most-billed visit code 99204

Established Patient

$100.20 typical visit price

range $18.22 – $140.40

Typical copayment $25.05 (range $4.55 – $35.10)

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.

100/100

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

Scored as part of a group practice

Quality

98.43

Improvement Activities

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

21%227 patients1/55-star benchmark: 100%

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

68%141 patients3/55-star benchmark: 100%

Diabetes: Eye Exam

Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period

36%22 patients1/55-star benchmark: 100%

Medication Reconciliation Post-Discharge

The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…

Patients 65+: 100% · 60 patients

100%71 patients

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

83%228 patients4/55-star benchmark: 100%

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

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

98%252 patients4/55-star benchmark: 100%

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

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

2%222 patients1/55-star benchmark: 100%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis

65%96 patients3/55-star benchmark: 98%

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 4

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

1 supplier22 claims7,440 services$1.16 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers12 claims1,200 services$0.18 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

1 supplier11 claims11 services$18.98 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

3 suppliers24 claims25 services$12.58 avg. paid by Medicare

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

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Other Providers at the Same Location NPPES 20

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

DR. TIANNA E. JOHNSON D.O.

Hospitalist

35 COLLIER RD NW, SUITE 635
ATLANTA, GA 30309

Fulton County (404) 367-3014

ADANNA CHIJIOKE

Physician Assistant

35 COLLIER RD NW, SUITE 635
ATLANTA, GA 30309

Fulton County (404) 367-3014

CHAYCIE L GOGGINS PHARMD

Pharmacist

35 COLLIER RD NW
ATLANTA, GA 30309

Fulton County (404) 350-9772

CHRISTOPHER A DALINKUS D.O.

Hospitalist

35 COLLIER RD NW, SUITE 635
ATLANTA, GA 30309

Fulton County (404) 367-3014

CANDICE MARIE DELK D.O.

Hospitalist

35 COLLIER RD NW, SUITE 635
ATLANTA, GA 30309

Fulton County (404) 367-3014

MARIE-VERONIQUE INGULU BIELO M.D.

Hospitalist

35 COLLIER RD NW, SUITE 635
ATLANTA, GA 30309

Fulton County (404) 367-3014

ROBERT V. DIMEGLIO, MD, LLC

Urology

35 COLLIER RD NW, M-245
ATLANTA, GA 30309

Fulton County (678) 205-8211

MR. JOSEPH J NICHOLS JR. M.D.

Colon & Rectal Surgery

35 COLLIER RD NW, SUITE 475
ATLANTA, GA 30309

Fulton County (404) 351-7900

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 Gautham Viswanathan's NPI number?

The NPI number for Gautham Viswanathan is 1427194257. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Gautham Viswanathan located?

Gautham Viswanathan practices at 35 Collier Rd NW Ste 610, Atlanta, GA 30309. The listed phone number is (404) 355-7375.

What is Gautham Viswanathan's specialty?

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

Is Gautham Viswanathan enrolled in Medicare?

Yes. Gautham Viswanathan 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.

What insurance does Gautham Viswanathan accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Gautham Viswanathan 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 Gautham Viswanathan affiliated with any hospitals?

According to CMS data, Gautham Viswanathan is affiliated with Wellstar Kennestone Regional Medical Center, Piedmont Hospital and Piedmont Mountainside Hospital Inc.

When was this NPI record last updated?

The NPPES record for Gautham Viswanathan was last updated on October 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.