Dr. Tiffany Austin Walker, MD
- Medicare services, 2023
- 94
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 83
- Publications
- 23
- Clinical trials
- 1
- Practice address
- 1968 Peachtree Rd NW, Atlanta, GA 30309
- Practice phone
- Call (404) 605-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker's professional email, personal email and mobile number
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Dr. Tiffany Austin Walker is an internist in Atlanta, Georgia
Dr. Walker practices at Piedmont Atlanta in Atlanta, Georgia, part of Piedmont Healthcare.
Dr. Walker's NPI, 1659697803, was assigned on April 13, 2010. Dr. Walker graduated from Medical College of Georgia School of Medicine in 2010. Dr. Walker holds Georgia license 69145.
- NPI
- 1659697803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759521768
- NPI enumeration date
- April 13, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (404) 605-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tiffany Austin Walker practices at Piedmont Atlanta in Atlanta, Georgia
Dr. Walker's primary practice is Piedmont Atlanta, at 1968 Peachtree Rd NW, Atlanta, GA 30309 in Fulton County. The practice phone is (404) 605-5000.
- Piedmont Atlanta1968 Peachtree Rd NW, Atlanta, GA 30309 · Fulton CountyPhone(404) 605-5000
Source: Dmand AI Affiliation Data
Dr. Tiffany Austin Walker is affiliated with 3 sites of care and 1 medical group
Dr. Walker's primary practice is Piedmont Atlanta in Atlanta, Georgia, part of Piedmont Healthcare. Dr. Walker is also affiliated with Grady Memorial Hospital. The medical group on file is Emory Healthcare. Dmand AI also links Dr. Walker to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tiffany Austin Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Piedmont Atlanta | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Piedmont Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tiffany Austin Walker is one of 3,575 internists in Georgia
Internal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walker is licensed in Georgia.
Specialties and state licenses
- Internal medicine, GeorgiaPrimary
Internists near Dr. Walker
Counts of internists 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. Tiffany Austin Walker billed Medicare for 94 services in 2023
CMS data shows 94 Medicare services from Dr. Walker across 3 procedure codes in 2023, for 15 Medicare patients. Medicare paid $8,624 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1552023: 9439%
Dr. Walker compared with the Georgia median for internists, 2023
- Dr. Walker
- Georgia median
- Medicare services
- 94vs 53682% below
- Medicare patients
- 15vs 19492% below
- Part D claims
- 12vs 33996% below
Medians across 3,344 internists in Georgia with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other internists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tiffany Austin Walker treated 15 Medicare patients in 2024, average age 66
CMS counts 15 Medicare patients who saw Dr. Walker in 2024. 75% of them have high blood pressure. Their average risk score is 2.42, 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. Walker's median patient age at 73, with 45% women.
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tiffany Austin Walker wrote 83 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 83 Medicare Part D claims for 34 patients. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $64 in total drug cost. In 2021, CMS named 133 claims across 9 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic75 claims90%
- Brand-name and other8 claims10%
Dr. Walker's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1332022: 1291%
Drugs named by CMS: 1 in 2022, 9 in 2021.
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. Tiffany Austin Walker scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Walker for performance year 2024, reported as part of a group. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Walker's MIPS scores, performance year 2024
- 93of 100Final score
- 73.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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. Tiffany Austin Walker has 23 publications on record
Dmand AI links 23 papers to Dr. Walker, published from 2015 to 2024. 2023 was the busiest year, with 5. The most frequent topics are COVID-19, Post-Acute COVID-19 Syndrome and SARS-CoV-2. Dr. Walker has published most often in J Hosp Med. Dr. Walker's most frequent co-authors are Frances Eun-Hyung Lee, MD, Linda N. Geng and Ihab Hajjar, MD, MS.
Dr. Walker's papers by year, 2015 to 2024
Topics Dr. Walker writes about most
- COVID-19
- Post-Acute COVID-19 Syndrome
- SARS-CoV-2
- Disease Progression
- Gastroenteritis
- New Zealand
- Antiviral Agents
- Campylobacter Infections
Dr. Walker's most frequent co-authors
- Frances Eun-Hyung Lee, MD4 shared papers
- Linda N. Geng2 shared papers
- Ihab Hajjar, MD, MS2 shared papers
Recent publications by Dr. Walker
Life Sci
Chronic inflammation, neutrophil activity, and autoreactivity splits long COVID (opens in a new tab)
Nat Commun
See who Dr. Walker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walker works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tiffany Austin Walker has worked on 1 clinical trial
Dmand AI links Dr. Walker to 1 clinical trial. 1 is still active or recruiting. Conditions studied include COVID-19 and Pneumonia, Viral.
Conditions in Dr. Walker's trials
- COVID-19
- Pneumonia, Viral
Investigators on the most trials with Dr. Walker
- Carmen Je Vonne Beamon, MD1 shared trial
- Helen Y. Chu, MD, MPH1 shared trial
- Kristine M. Erlandson, MD1 shared trial
Recent clinical trials with Dr. Walker
NIH RECOVER: A Multi-site Observational Study of Post-Acute Sequelae of SARS-CoV-2 Infection in Adults (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Tiffany Austin Walker received $39 in industry payments from 2018 to 2021
CMS Open Payments shows 3 general payments to Dr. Walker from 2 drug and device companies from 2018 to 2021. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $24.
General payments to Dr. Walker by program year, 2018 to 2021
Companies that paid Dr. Walker the most, 2018 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tiffany Austin Walker graduated from Medical College of Georgia School of Medicine
Dr. Walker graduated from Medical College of Georgia School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tiffany Austin Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tiffany Austin Walker
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. Tiffany Austin Walker's NPI number?
Dr. Tiffany Austin Walker's NPI number is 1659697803. It was assigned on April 13, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Tiffany Austin Walker?
Dr. Tiffany Austin Walker is an internist in Atlanta, Georgia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tiffany Austin Walker practice?
Dr. Walker practices at 1968 Peachtree Rd NW, Atlanta, GA 30309. Dr. Walker's primary practice is Piedmont Atlanta in Atlanta, Georgia, part of Piedmont Healthcare. Dmand AI also links Dr. Walker to 1 group practice or clinic.
What is Dr. Tiffany Austin Walker's office phone number?
The practice phone on file for Dr. Walker is (404) 605-5000.
What is Dr. Tiffany Austin Walker's medical license number?
Dr. Walker holds Georgia license 69145.
Which hospitals is Dr. Tiffany Austin Walker affiliated with?
Dr. Walker practices at Piedmont Atlanta in Atlanta, Georgia. Dr. Walker is also affiliated with Grady Memorial Hospital.
What medical group is Dr. Tiffany Austin Walker part of?
Dr. Walker is linked to Emory Healthcare.
Does Dr. Tiffany Austin Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 94 services in 2023, and Dr. Walker accepts Medicare assignment.
What is Dr. Tiffany Austin Walker's MIPS score?
Dr. Walker's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tiffany Austin Walker see?
CMS counts 15 Medicare patients who saw Dr. Walker in 2024, with an average age of 66.
Show 7 more questionsShow fewer questions
What services does Dr. Tiffany Austin Walker bill to Medicare?
In 2023, Dr. Walker's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99238).
Where did Dr. Tiffany Austin Walker go to medical school?
Dr. Walker graduated from Medical College of Georgia School of Medicine in 2010.
What drugs does Dr. Tiffany Austin Walker prescribe most?
In 2022 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Amlodipine Besylate.
Has Dr. Tiffany Austin Walker received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Walker from 2 companies from 2018 to 2021. The largest total came from Alkermes, Inc.
How long has Dr. Tiffany Austin Walker been practicing?
Dr. Walker graduated from medical school in 2010, 16 years ago.
Does Dr. Tiffany Austin Walker do research?
Dmand AI links 23 publications to Dr. Walker, published from 2015 to 2024. Dr. Walker has worked on 1 clinical trial.
Who does Dr. Tiffany Austin Walker publish with?
Dr. Walker's most frequent co-authors are Frances Eun-Hyung Lee, MD (4 shared papers), Linda N. Geng (2 shared papers) and Ihab Hajjar, MD, MS (2 shared papers).
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