Dr. Atiya Chachar, MD

  • Carrollton, GA
  • Nephrologist
NPI1174974398PAC ID3577840222
Medicare services, 2024
1,142
Medicare patients, 2024
312
Part D claims, 2024
1,576
MIPS score, 2024
82
Hospital affiliations
3
Practice address
157 Clinic Ave, Carrollton, GA 30117
Practice phone
Call (770) 832-0429
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Carroll County Nephrology

Carrollton, Georgia

See all 9 affiliations

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Dr. Atiya Chachar is a nephrologist in Carrollton, Georgia

Dr. Chachar practices at Carroll County Nephrology in Carrollton, Georgia.

Dr. Chachar's NPI, 1174974398, was assigned on June 29, 2016. Dr. Chachar holds Georgia license 90568.

NPI and contact details
Medicare PAC ID
3577840222
NPI enumeration date
June 29, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(770) 832-0429
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Atiya Chachar practices at Carroll County Nephrology in Carrollton, Georgia

Dr. Chachar's primary practice is Carroll County Nephrology, at 157 Clinic Ave, Carrollton, GA 30117 in Carroll County. The practice phone is (770) 832-0429.

  • Carroll County Nephrology
    157 Clinic Ave, Carrollton, GA 30117 · Carroll CountyPhone(770) 832-0429

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Atiya Chachar is affiliated with 7 sites of care and 2 medical groups

Dr. Chachar's primary practice is Carroll County Nephrology in Carrollton, Georgia. Dr. Chachar is also affiliated with Tanner Medical Center/Carrollton. The medical group on file is Emory Clinic. Dmand AI also links Dr. Chachar to 2 more hospitals, 2 group practices and clinics, 1 dialysis center and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Chachar

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Atiya Chachar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chachar practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Carroll County NephrologyAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Atiya Chachar is one of 381 nephrologists in Georgia

Nephrology is Dr. Chachar's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Chachar's licenses on file in 2 states: Georgia and Virginia.

Specialties and state licenses

  • Nephrology, GeorgiaPrimaryLicense 90568 · taxonomy 207RN0300X
  • Student in an organized health care education/training program, VirginiaLicense 0116032470 · taxonomy 390200000X

Nephrologists near Dr. Chachar

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

381nephrologists in Georgia
4nephrologists in Carrollton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Atiya Chachar billed Medicare for 1,142 services in 2024

CMS data shows 1,142 Medicare services from Dr. Chachar across 11 procedure codes in 2024, for 312 Medicare patients. Medicare paid $85,323 for them.

Medicare services, 20241,142
Medicare patients312
Paid by Medicare$85,323
Procedure codes11

Dr. Chachar's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0582024: 67436%
Other services
2023: 02024: 296
Tests and treatments
2023: 2212024: 9258%
Surgery
2023: 1432024: 5760%
Lab and pathology
2023: 282024: 2318%

Where Dr. Chachar's Medicare services took place, 2024

  • In an office79770%
  • In a facility34530%

Dr. Chachar compared with the Georgia median for nephrologists, 2024

  • Dr. Chachar
  • Georgia median
Medicare services
1,142vs 1,124Close to median
Medicare patients
312vs 318Close to median
Part D claims
1,339vs 1,09223% above

Medians across 377 nephrologists in Georgia with Dmand AI profiles that report each measure.

Dr. Chachar's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chachar

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Atiya Chachar treated 312 Medicare patients in 2024, average age 72

CMS counts 312 Medicare patients who saw Dr. Chachar in 2024. The largest group is 75 to 84, with 112 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 25% are also on Medicaid. Their average risk score is 3.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chachar's median patient age at 70, with 50% women.

Medicare patients, 2024312
Average age72
Average risk score3.79
Also on Medicaid25%

Dr. Chachar's Medicare patients by age, 2024

Dr. Chachar's Medicare patients by sex, 2024

  • Women16754%
  • Men14546%

Chronic conditions among Dr. Chachar's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes60%
  5. Ischemic heart disease50%
  6. Arthritis47%
  7. Heart failure44%
  8. Atrial fibrillation31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chachar's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Atiya Chachar wrote 1,576 Medicare Part D claims in 2024

In 2024, Dr. Chachar wrote 1,576 Medicare Part D claims for 313 patients. 84% of them were for generic drugs. CMS names the drug for 1,339 of them, across 34 drugs with 11 or more claims each, at $180,422 in total drug cost. In 2023, CMS named 1,358 claims across 35 drugs.

Part D claims, 20241,576
Drugs named by CMS34
Total drug cost$180,422
Part D patients313

Dr. Chachar's Part D claims by kind of drug, 2024

  • Generic1,329 claims84%
  • Brand-name247 claims16%

Dr. Chachar's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Chachar's Part D claims, 2024

  • Antibiotics3%49 of 1,576 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,3582024: 1,3391%

Drugs named by CMS: 34 in 2024, 35 in 2023.

See all prescribing by Dr. Chachar

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Atiya Chachar scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Chachar for performance year 2024, reported as part of a group. Dr. Chachar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chachar's MIPS scores, performance year 2024

  • 82of 100Final score
  • 70.5of 100Quality
  • 99of 100Promoting Interoperability
  • 20of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Atiya Chachar received $2,049 in industry payments from 2022 to 2025

CMS Open Payments shows 111 general payments to Dr. Chachar from 20 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 90% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $276.

General payments to Dr. Chachar by program year, 2022 to 2025

General payments to Dr. Chachar by kind, 2022 to 2025

$2Kin total
  • Food and beverage$1,83890%
  • Education$21110%

Companies that paid Dr. Chachar the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chachar

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Atiya Chachar's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Atiya Chachar

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Atiya Chachar's NPI number?

Dr. Atiya Chachar's NPI number is 1174974398. It was assigned on June 29, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Atiya Chachar?

Dr. Atiya Chachar is a nephrologist in Carrollton, Georgia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Atiya Chachar practice?

Dr. Chachar practices at 157 Clinic Ave, Carrollton, GA 30117. Dr. Chachar's primary practice is Carroll County Nephrology in Carrollton, Georgia. Dmand AI also links Dr. Chachar to 2 hospitals, 2 group practices and clinics, 1 dialysis center and 1 medical group.

What is Dr. Atiya Chachar's office phone number?

The practice phone on file for Dr. Chachar is (770) 832-0429.

What is Dr. Atiya Chachar's medical license number?

Dr. Chachar holds Georgia license 90568, one of the licenses on file in 2 states.

Which states has Dr. Atiya Chachar been licensed in?

Dmand AI has state licenses on file for Dr. Chachar in Georgia and Virginia.

Which hospitals is Dr. Atiya Chachar affiliated with?

Dr. Chachar is affiliated with Tanner Medical Center/Carrollton. Dmand AI links Dr. Chachar to 2 more hospitals.

What medical group is Dr. Atiya Chachar part of?

Dr. Chachar is linked to Emory Clinic. Dmand AI links Dr. Chachar to 1 more medical group.

Does Dr. Atiya Chachar accept Medicare?

Yes. CMS data shows Dr. Chachar billed Medicare for 1,142 services in 2024, and Dr. Chachar accepts Medicare assignment.

What is Dr. Atiya Chachar's MIPS score?

Dr. Chachar's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

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How many Medicare patients does Dr. Atiya Chachar see?

CMS counts 312 Medicare patients who saw Dr. Chachar in 2024, with an average age of 72.

What services does Dr. Atiya Chachar bill to Medicare?

In 2024, Dr. Chachar's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99233).

What drugs does Dr. Atiya Chachar prescribe most?

In 2024 Medicare Part D data, Dr. Chachar's most prescribed drugs by claims were Allopurinol, Lisinopril and Losartan Potassium.

Has Dr. Atiya Chachar received payments from drug or device companies?

CMS Open Payments shows $2,049 in general payments to Dr. Chachar from 20 companies from 2022 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.

How long has Dr. Atiya Chachar been practicing?

Dr. Chachar graduated from medical school in 2013, 13 years ago.

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