Dr. Athanasios Nicholas Tiliakos, DO

  • Atlanta, GA
  • Rheumatologist
NPI1023270576PAC ID9234253261
Medicare services, 2024
859
Medicare patients, 2024
265
Part D claims, 2024
2,850
MIPS score, 2024
95
Hospital affiliations
3
Practice address
550 Peachtree Street, NE, Atlanta, GA 30308
Practice phone
Call (404) 686-2450
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Emory University Hospital Midtown

Hospital · Atlanta, Georgia

See all 8 affiliations

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Dr. Athanasios Nicholas Tiliakos is a rheumatologist in Atlanta, Georgia

Dr. Tiliakos practices at Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University.

Dr. Tiliakos' NPI, 1023270576, was assigned on June 26, 2008. Dr. Tiliakos holds Georgia license 063972.

NPI and contact details
Medicare PAC ID
9234253261
NPI enumeration date
June 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(404) 686-2450
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Athanasios Nicholas Tiliakos practices at Emory University Hospital Midtown in Atlanta, Georgia

Dr. Tiliakos' primary practice is Emory University Hospital Midtown, at 550 Peachtree Street, NE, Atlanta, GA 30308 in Fulton County. The practice phone is (404) 686-2450.

Source: Dmand AI Affiliation Data

Dr. Athanasios Nicholas Tiliakos is affiliated with 6 sites of care and 2 medical groups

Dr. Tiliakos' primary practice is Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University. Dr. Tiliakos is also affiliated with Emory University Hospital. The medical group on file is Emory Clinic. Dmand AI also links Dr. Tiliakos to 1 more hospital, 2 group practices and clinics, 1 clinical lab and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Tiliakos

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Athanasios Nicholas Tiliakos' practice

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

EHR by site
SiteEHR vendor and product
Emory University Hospital MidtownAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Athanasios Nicholas Tiliakos is one of 172 rheumatologists in Georgia

Rheumatology is Dr. Tiliakos' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Tiliakos is board certified in rheumatology by the American Board of Internal Medicine. Dr. Tiliakos is licensed in Georgia.

Specialties and state licenses

  • Rheumatology, GeorgiaPrimaryLicense 063972 · taxonomy 207RR0500X

Rheumatologists near Dr. Tiliakos

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

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

Dr. Athanasios Nicholas Tiliakos billed Medicare for 859 services in 2024

CMS data shows 859 Medicare services from Dr. Tiliakos across 6 procedure codes in 2024, for 265 Medicare patients. Medicare paid $42,832 for them. Every service was in an office.

Medicare services, 2024859
Medicare patients265
Paid by Medicare$42,832
Procedure codes6

Dr. Tiliakos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5702024: 5474%
Other services
2023: 02024: 312

Dr. Tiliakos compared with the Georgia median for rheumatologists, 2024

  • Dr. Tiliakos
  • Georgia median
Medicare services
859vs 1,16726% below
Medicare patients
265vs 21424% above
Part D claims
2,537vs 1,2652.0 times

Medians across 169 rheumatologists in Georgia with Dmand AI profiles that report each measure.

Dr. Tiliakos' 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. Tiliakos

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

Dr. Athanasios Nicholas Tiliakos treated 265 Medicare patients in 2024, average age 71

CMS counts 265 Medicare patients who saw Dr. Tiliakos in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have arthritis, and 74% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.57, 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. Tiliakos' median patient age at 65, with 75% women.

Medicare patients, 2024265
Average age71
Average risk score1.57
Also on Medicaid12%

Dr. Tiliakos' Medicare patients by age, 2024

Dr. Tiliakos' Medicare patients by sex, 2024

  • Women19373%
  • Men7227%

Chronic conditions among Dr. Tiliakos' Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure74%
  3. High cholesterol70%
  4. Chronic kidney disease32%
  5. Diabetes29%
  6. Anxiety26%
  7. Mood disorders26%
  8. Ischemic heart disease24%

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

Dr. Tiliakos' patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women75%
  • Men24%

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

Dr. Athanasios Nicholas Tiliakos wrote 2,850 Medicare Part D claims in 2024

In 2024, Dr. Tiliakos wrote 2,850 Medicare Part D claims for 422 patients. 83% of them were for generic drugs. CMS names the drug for 2,537 of them, across 39 drugs with 11 or more claims each, at $2,837,943 in total drug cost. In 2023, CMS named 2,469 claims across 41 drugs.

Part D claims, 20242,850
Drugs named by CMS39
Total drug cost$2.8M
Part D patients422

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

  • Generic2,371 claims83%
  • Brand-name and other479 claims17%

Dr. Tiliakos' 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. Tiliakos' Part D claims, 2024

  • Opioids5%140 of 2,850 claims
  • Antibiotics1%30 of 2,850 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: 2,4692024: 2,5373%

Drugs named by CMS: 39 in 2024, 41 in 2023.

See all prescribing by Dr. Tiliakos

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. Athanasios Nicholas Tiliakos scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Tiliakos for performance year 2024, reported through an alternative payment model (APM). Dr. Tiliakos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tiliakos as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Tiliakos' MIPS scores, performance year 2024

  • 95of 100Final score
  • 80.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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. Athanasios Nicholas Tiliakos received $1,592 in industry payments from 2019 to 2022

CMS Open Payments shows 10 general payments to Dr. Tiliakos from 3 drug and device companies from 2019 to 2022. Travel and lodging make up the largest share, 89% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,556.

General payments to Dr. Tiliakos by program year, 2019 to 2022

General payments to Dr. Tiliakos by kind, 2019 to 2022

$1.6Kin total
  • Travel and lodging$1,42389%
  • Food and beverage$1509%
  • Education$201%

Companies that paid Dr. Tiliakos the most, 2019 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Tiliakos

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

Dr. Athanasios Nicholas Tiliakos is board certified in rheumatology

  1. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Athanasios Nicholas Tiliakos'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Athanasios Nicholas Tiliakos

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. Athanasios Nicholas Tiliakos' NPI number?

Dr. Athanasios Nicholas Tiliakos' NPI number is 1023270576. It was assigned on June 26, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Athanasios Nicholas Tiliakos?

Dr. Athanasios Nicholas Tiliakos is a rheumatologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Athanasios Nicholas Tiliakos practice?

Dr. Tiliakos practices at 550 Peachtree Street, NE, Atlanta, GA 30308. Dr. Tiliakos' primary practice is Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University. Dmand AI also links Dr. Tiliakos to 1 hospital, 2 group practices and clinics, 1 clinical lab and 1 medical group.

What is Dr. Athanasios Nicholas Tiliakos' office phone number?

The practice phone on file for Dr. Tiliakos is (404) 686-2450.

What is Dr. Athanasios Nicholas Tiliakos' medical license number?

Dr. Tiliakos holds Georgia license 063972.

Which hospitals is Dr. Athanasios Nicholas Tiliakos affiliated with?

Dr. Tiliakos practices at Emory University Hospital Midtown in Atlanta, Georgia. Dr. Tiliakos is also affiliated with Emory University Hospital. Dmand AI links Dr. Tiliakos to 1 more hospital.

What medical group is Dr. Athanasios Nicholas Tiliakos part of?

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

Does Dr. Athanasios Nicholas Tiliakos accept Medicare?

Yes. CMS data shows Dr. Tiliakos billed Medicare for 859 services in 2024, and Dr. Tiliakos accepts Medicare assignment.

Does Dr. Athanasios Nicholas Tiliakos offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tiliakos as offering telehealth services.

What is Dr. Athanasios Nicholas Tiliakos' MIPS score?

Dr. Tiliakos' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Athanasios Nicholas Tiliakos see?

CMS counts 265 Medicare patients who saw Dr. Tiliakos in 2024, with an average age of 71.

Is Dr. Athanasios Nicholas Tiliakos board certified?

Yes. Dr. Tiliakos is board certified in rheumatology by the American Board of Internal Medicine.

What services does Dr. Athanasios Nicholas Tiliakos bill to Medicare?

In 2024, Dr. Tiliakos' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

What drugs does Dr. Athanasios Nicholas Tiliakos prescribe most?

In 2024 Medicare Part D data, Dr. Tiliakos' most prescribed drugs by claims were Prednisone, Hydroxychloroquine Sulfate and Methotrexate.

Has Dr. Athanasios Nicholas Tiliakos received payments from drug or device companies?

CMS Open Payments shows $1,592 in general payments to Dr. Tiliakos from 3 companies from 2019 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Athanasios Nicholas Tiliakos been practicing?

Dr. Tiliakos graduated from medical school in 2004, 22 years ago.

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