Dr. Kathleen Williams Nissman, MD
- Medicare services, 2023
- 17
- Medicare patients, 2024
- 48
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Industry payments
- $14
- Practice address
- 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303
- Practice phone
- Call (404) 616-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams Nissman's professional email, personal email and mobile number
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Dr. Kathleen Williams Nissman is an anesthesiologist in Atlanta, Georgia
Dr. Williams Nissman practices at Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority.
Dr. Williams Nissman's NPI, 1962606269, was assigned on June 12, 2007. Dr. Williams Nissman graduated from Medical University of South Carolina College of Medicine in 2005. Dr. Williams Nissman holds North Carolina license 2011-01231.
- NPI
- 1962606269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193849628
- NPI enumeration date
- June 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (404) 616-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen Williams Nissman practices at Grady Memorial Hospital in Atlanta, Georgia
Dr. Williams Nissman's primary practice is Grady Memorial Hospital, at 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303 in Fulton County. The practice phone is (404) 616-1000.
- Grady Memorial Hospital80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303 · Fulton CountyPhone(404) 616-1000
Source: Dmand AI Affiliation Data
Dr. Kathleen Williams Nissman is affiliated with 2 sites of care and 2 medical groups
Dr. Williams Nissman's primary practice is Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority. Dr. Williams Nissman is also affiliated with UNC Health Rex. The medical group on file is Emory Healthcare. Dmand AI also links Dr. Williams Nissman to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen Williams Nissman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams Nissman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grady Memorial Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen Williams Nissman is one of 1,184 anesthesiologists in Georgia
Anesthesiology is Dr. Williams Nissman's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Williams Nissman's licenses on file in 2 states: North Carolina and Georgia.
Specialties and state licenses
- Anesthesiology, North CarolinaPrimary
- Georgia license
Anesthesiologists near Dr. Williams Nissman
Counts of anesthesiologists 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. Kathleen Williams Nissman billed Medicare for 17 services in 2023
CMS data shows 17 Medicare services from Dr. Williams Nissman across 1 procedure code in 2023, for 48 Medicare patients. Medicare paid $899 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams Nissman's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 242023: 1729%
- Imaging
- 2022: 142023: 0100%
Dr. Williams Nissman compared with the Georgia median for anesthesiologists, 2023
- Dr. Williams Nissman
- Georgia median
- Medicare services
- 17vs 9382% below
- Medicare patients
- 48vs 18274% below
Medians across 1,159 anesthesiologists in Georgia with Dmand AI profiles that report each measure.
Dr. Williams Nissman'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. Williams Nissman and other anesthesiologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen Williams Nissman treated 48 Medicare patients in 2024, average age 70
CMS counts 48 Medicare patients who saw Dr. Williams Nissman in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.63, 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. Williams Nissman's median patient age at 70, with 57% women.
Dr. Williams Nissman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams Nissman's Medicare patients by sex, 2024
- Women2144%
- Men2756%
Chronic conditions among Dr. Williams Nissman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Chronic kidney disease58%
- Arthritis54%
- Diabetes50%
- Heart failure46%
- Ischemic heart disease40%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams Nissman'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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen Williams Nissman 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. Williams Nissman for performance year 2024, reported as part of a group. Dr. Williams Nissman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Williams Nissman'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. Kathleen Williams Nissman received $14 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Williams Nissman from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $14.
Companies that paid Dr. Williams Nissman the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen Williams Nissman graduated from Medical University of South Carolina College of Medicine
Dr. Williams Nissman graduated from Medical University of South Carolina College of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen Williams Nissman'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) |
| 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) |
| 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. Kathleen Williams Nissman
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. Kathleen Williams Nissman's NPI number?
Dr. Kathleen Williams Nissman's NPI number is 1962606269. It was assigned on June 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen Williams Nissman?
Dr. Kathleen Williams Nissman is an anesthesiologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Kathleen Williams Nissman practice?
Dr. Williams Nissman practices at 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303. Dr. Williams Nissman's primary practice is Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority. Dmand AI also links Dr. Williams Nissman to 1 medical group.
What is Dr. Kathleen Williams Nissman's office phone number?
The practice phone on file for Dr. Williams Nissman is (404) 616-1000.
What is Dr. Kathleen Williams Nissman's medical license number?
Dr. Williams Nissman holds North Carolina license 2011-01231, one of the licenses on file in 2 states.
Which states has Dr. Kathleen Williams Nissman been licensed in?
Dmand AI has state licenses on file for Dr. Williams Nissman in North Carolina and Georgia.
Which hospitals is Dr. Kathleen Williams Nissman affiliated with?
Dr. Williams Nissman practices at Grady Memorial Hospital in Atlanta, Georgia. Dr. Williams Nissman is also affiliated with UNC Health Rex.
What medical group is Dr. Kathleen Williams Nissman part of?
Dr. Williams Nissman is linked to Emory Healthcare. Dmand AI links Dr. Williams Nissman to 1 more medical group.
Does Dr. Kathleen Williams Nissman accept Medicare?
Yes. CMS data shows Dr. Williams Nissman billed Medicare for 17 services in 2023, and Dr. Williams Nissman accepts Medicare assignment.
What is Dr. Kathleen Williams Nissman's MIPS score?
Dr. Williams Nissman's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Kathleen Williams Nissman see?
CMS counts 48 Medicare patients who saw Dr. Williams Nissman in 2024, with an average age of 70.
What services does Dr. Kathleen Williams Nissman bill to Medicare?
In 2023, Dr. Williams Nissman's most billed Medicare services were anesthesia (00731).
Where did Dr. Kathleen Williams Nissman go to medical school?
Dr. Williams Nissman graduated from Medical University of South Carolina College of Medicine in 2005.
Has Dr. Kathleen Williams Nissman received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Williams Nissman from 1 company from 2019 to 2019. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Kathleen Williams Nissman been practicing?
Dr. Williams Nissman graduated from medical school in 2005, 21 years ago.
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