Obstet Gynecol
Decision MakingEmotionsHysterectomy
Dr. Nathan Ryan King, MD
NPI1285096792PAC ID1254623655
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 52
- Publications
- 4
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 1740 West Taylor St Suite 1400, Chicago, IL 60612
- Practice phone
- Call (312) 996-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. King's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nathan Ryan King is an OB-GYN in Chicago, Illinois
Dr. King practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Dr. King's NPI, 1285096792, was assigned on March 23, 2016. Dr. King graduated from New York University School of Medicine in 2016. Dr. King holds Illinois license 036160222.
NPI and contact details
- NPI
- 1285096792NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254623655
- NPI enumeration date
- March 23, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 996-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Ryan King practices at University of Illinois Hospital in Chicago, Illinois
Dr. King's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.
- University of Illinois Hospital1740 West Taylor St Suite 1400, Chicago, IL 60612 · Cook CountyPhone(312) 996-3900
Source: Dmand AI Affiliation Data
Dr. Nathan Ryan King is affiliated with 2 sites of care and 2 medical groups
Dr. King's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is University of Pittsburgh Physicians, Department of Radiology. Dmand AI also links Dr. King to 1 more group practice or clinic and 1 medical group, each named with a free account.
University of Pittsburgh Physicians, Department of Radiology1 group practice or clinicName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. KingSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Ryan King's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. King practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. King practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Illinois System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nathan Ryan King is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. King's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. King is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. King
Counts of OB-GYNs 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. Nathan Ryan King treated 32 Medicare patients in 2024, average age 56
CMS counts 32 Medicare patients who saw Dr. King in 2024. The largest group is under 65, with 21 patients. 69% of them have high blood pressure, and 50% have arthritis. Their average risk score is 1.99, 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. King's median patient age at 40, with 93% women.
Medicare patients, 202432
Average age56
Average risk score1.99
Dr. King's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. King's Medicare patients, 2024
- High blood pressure69%
- Arthritis50%
- High cholesterol44%
- Diabetes38%
Share of Medicare patients with each condition. A patient can have several.
Dr. King's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women93%
- Men4%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Ryan King wrote 52 Medicare Part D claims in 2024
In 2024, Dr. King wrote 52 Medicare Part D claims for 23 patients. 69% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $30,156 in total drug cost.
Part D claims, 202452
Drugs named by CMS1
Total drug cost$30,156
Part D patients23
Dr. King's Part D claims by kind of drug, 2024
- Generic36 claims69%
- Brand-name16 claims31%
Dr. King's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Nathan Ryan King 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. King for performance year 2024, reported as part of a group. Dr. King accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. King's MIPS scores, performance year 2024
- 93of 100Final score
- 73.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 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
For MedTech and pharma teams
Find OB-GYNs like Dr. King by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nathan Ryan King has 4 publications on record
Dmand AI links 4 papers to Dr. King, published from 2021 to 2024. The most frequent topics are Laparoscopy and Hysterectomy. Dr. King has published most often in J Minim Invasive Gynecol. Dr. King's most frequent co-authors are Angela Chaudhari, MD, Christine E. Foley, MD and Suketu Mohan Mansuria, MD.
Papers4
Years published2021 to 2024
Dr. King's papers by year, 2021 to 2024
Topics Dr. King writes about most
- Laparoscopy
- Hysterectomy
Dr. King's most frequent co-authors
- Angela Chaudhari, MD1 shared paper
- Christine E. Foley, MD1 shared paper
- Suketu Mohan Mansuria, MD1 shared paper
Recent publications by Dr. King
J Minim Invasive Gynecol
Analgesics, OpioidEndometriosisLaparoscopy
J Minim Invasive Gynecol
HysterectomyMeckel Diverticulum
Obstet Gynecol
Gynecologic Surgical ProceduresLaparoscopyVascular System Injuries
See who Dr. King researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. King works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan Ryan King received $617 in industry payments from 2020 to 2023
CMS Open Payments shows 13 general payments to Dr. King from 5 drug and device companies from 2020 to 2023. Education make up the largest share, 53% of the total. Medical Device Business Services, Inc. paid the most, $325.
General payments to Dr. King by program year, 2020 to 2023
General payments to Dr. King by kind, 2020 to 2023
$617in total
- Education$32553%
- Food and beverage$29247%
Companies that paid Dr. King the most, 2020 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Ryan King graduated from New York University School of Medicine
Dr. King graduated from New York University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Ryan King'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 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 |
| 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. Nathan Ryan King
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. Nathan Ryan King's NPI number?
Dr. Nathan Ryan King's NPI number is 1285096792. It was assigned on March 23, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Ryan King?
Dr. Nathan Ryan King is an OB-GYN in Chicago, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Nathan Ryan King practice?
Dr. King practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Dr. King's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Dr. King to 1 group practice or clinic and 1 medical group.
What is Dr. Nathan Ryan King's office phone number?
The practice phone on file for Dr. King is (312) 996-3900.
What is Dr. Nathan Ryan King's medical license number?
Dr. King holds Illinois license 036160222.
Which hospitals is Dr. Nathan Ryan King affiliated with?
Dr. King practices at University of Illinois Hospital in Chicago, Illinois.
What medical group is Dr. Nathan Ryan King part of?
Dr. King is linked to University of Pittsburgh Physicians, Department of Radiology. Dmand AI links Dr. King to 1 more medical group.
Does Dr. Nathan Ryan King accept Medicare?
Yes. CMS lists Dr. King as accepting Medicare assignment.
What is Dr. Nathan Ryan King's MIPS score?
Dr. King'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. Nathan Ryan King see?
CMS counts 32 Medicare patients who saw Dr. King in 2024, with an average age of 56.
Show 6 more questionsShow fewer questions
Where did Dr. Nathan Ryan King go to medical school?
Dr. King graduated from New York University School of Medicine in 2016.
What drugs does Dr. Nathan Ryan King prescribe most?
In 2023 Medicare Part D data, Dr. King's most prescribed drugs by claims were Lupron Depot.
Has Dr. Nathan Ryan King received payments from drug or device companies?
CMS Open Payments shows $617 in general payments to Dr. King from 5 companies from 2020 to 2023. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Nathan Ryan King been practicing?
Dr. King graduated from medical school in 2016, 10 years ago.
Does Dr. Nathan Ryan King do research?
Dmand AI links 4 publications to Dr. King, published from 2021 to 2024.
Who does Dr. Nathan Ryan King publish with?
Dr. King's most frequent co-authors are Angela Chaudhari, MD (1 shared paper), Christine E. Foley, MD (1 shared paper) and Suketu Mohan Mansuria, MD (1 shared paper).
Selling to obstetrics and gynecology practices?
See OB-GYNs in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card