Mark Vajaranant
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 42
- 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 Mark Vajaranant'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.
Mark Vajaranant is an OB-GYN in Chicago, Illinois
Mark Vajaranant practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Mark Vajaranant's NPI, 1962585059, was assigned on October 23, 2006. Mark Vajaranant graduated from University of Missouri, Columbia School of Medicine in 1987. Mark Vajaranant holds Illinois license 036-078309.
- NPI
- 1962585059NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113119793
- NPI enumeration date
- October 23, 2006
- 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
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Vajaranant practices at University of Illinois Hospital in Chicago, Illinois
Mark Vajaranant'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
Mark Vajaranant is affiliated with 1 site of care and 1 medical group
Mark Vajaranant'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 Illinois Physicians Group (UIPG).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark Vajaranant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Vajaranant practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois Hospital | 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 University of Illinois System and 6.2K+ hospitals, with verified contacts in the same login.
Mark Vajaranant is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Mark Vajaranant's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Mark Vajaranant is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Mark Vajaranant
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
Mark Vajaranant billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Mark Vajaranant across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $2,696 for them.
Mark Vajaranant's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 782024: 9218%
Where Mark Vajaranant's Medicare services took place, 2024
- In an office1213%
- In a facility8087%
Mark Vajaranant compared with the Illinois median for OB-GYNs, 2024
- Mark Vajaranant
- Illinois median
- Medicare services
- 92vs 4892% above
- Medicare patients
- 72vs 4464% above
- Part D claims
- 19vs 2832% below
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Mark Vajaranant'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.
Need commercial claims for Mark Vajaranant?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Vajaranant and other OB-GYNs in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Vajaranant treated 72 Medicare patients in 2024, average age 60
CMS counts 72 Medicare patients who saw Mark Vajaranant in 2024. The largest group is under 65, with 34 patients. 72% of them have high blood pressure, and 57% have high cholesterol. 69% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Vajaranant's median patient age at 43, with 100% women.
Mark Vajaranant's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mark Vajaranant's Medicare patients, 2024
- High blood pressure72%
- High cholesterol57%
- Arthritis56%
- Diabetes36%
- Mood disorders33%
- Depression28%
- Asthma24%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Mark Vajaranant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Vajaranant wrote 42 Medicare Part D claims in 2024
In 2024, Mark Vajaranant wrote 42 Medicare Part D claims for 12 patients. 90% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $863 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Mark Vajaranant's Part D claims by kind of drug, 2024
- Generic38 claims90%
- Brand-name and other4 claims10%
Mark Vajaranant'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.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 122024: 1958%
Drugs named by CMS: 1 in 2024, 1 in 2020.
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
Mark Vajaranant 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 Mark Vajaranant for performance year 2024, reported as part of a group. Mark Vajaranant accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mark Vajaranant'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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mark Vajaranant received $98 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Mark Vajaranant from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $77.
General payments to Mark Vajaranant by program year, 2016 to 2019
General payments to Mark Vajaranant by kind, 2016 to 2019
- Food and beverage$9496%
- Education$44%
Companies that paid Mark Vajaranant the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Vajaranant graduated from University of Missouri, Columbia School of Medicine
Mark Vajaranant graduated from University of Missouri, Columbia School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Vajaranant'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) |
| 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 Mark Vajaranant
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Vajaranant's NPI number?
Mark Vajaranant's NPI number is 1962585059. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What does Mark Vajaranant specialize in?
Mark Vajaranant is an OB-GYN in Chicago, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Mark Vajaranant practice?
Mark Vajaranant practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Mark Vajaranant's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
What is Mark Vajaranant's office phone number?
The practice phone on file for Mark Vajaranant is (312) 996-3900.
What is Mark Vajaranant's medical license number?
Mark Vajaranant holds Illinois license 036-078309.
Which hospitals is Mark Vajaranant affiliated with?
Mark Vajaranant practices at University of Illinois Hospital in Chicago, Illinois.
What medical group is Mark Vajaranant part of?
Mark Vajaranant is linked to University of Illinois Physicians Group (UIPG).
Does Mark Vajaranant accept Medicare?
Yes. CMS data shows Mark Vajaranant billed Medicare for 92 services in 2024, and Mark Vajaranant accepts Medicare assignment.
What is Mark Vajaranant's MIPS score?
Mark Vajaranant's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Mark Vajaranant see?
CMS counts 72 Medicare patients who saw Mark Vajaranant in 2024, with an average age of 60.
Show 5 more questionsShow fewer questions
What services does Mark Vajaranant bill to Medicare?
In 2024, Mark Vajaranant's most billed Medicare services were ultrasound (76830), diagnostic imaging (76376) and ultrasound (76856).
Where did Mark Vajaranant go to medical school?
Mark Vajaranant graduated from University of Missouri, Columbia School of Medicine in 1987.
What drugs does Mark Vajaranant prescribe most?
In 2024 Medicare Part D data, Mark Vajaranant's most prescribed drugs by claims were Valacyclovir.
Has Mark Vajaranant received payments from drug or device companies?
CMS Open Payments shows $98 in general payments to Mark Vajaranant from 2 companies from 2016 to 2019. The largest total came from Abbvie Inc.
How long has Mark Vajaranant been practicing?
Mark Vajaranant graduated from medical school in 1987, 39 years ago.
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