Dr. Mary H. Nicholson, MD
- Medicare services, 2024
- 7,339
- Medicare patients, 2024
- 3,381
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $45
- Practice address
- 901 Macarthur Blvd, Munster, IN 46321
- Practice phone
- Call (219) 836-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nicholson'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. Mary H. Nicholson is a diagnostic radiologist in Munster, Indiana
Dr. Nicholson practices at Community Hospital in Munster, Indiana, part of Community Healthcare System.
Dr. Nicholson's NPI, 1306839667, was assigned on August 23, 2005. Dr. Nicholson graduated from Loyola University of Chicago, Stritch School of Medicine in 1992. Dr. Nicholson holds Indiana license 0104881A.
- NPI
- 1306839667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365474509
- NPI enumeration date
- August 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 836-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary H. Nicholson practices at Community Hospital in Munster, Indiana
Dr. Nicholson's primary practice is Community Hospital, at 901 Macarthur Blvd, Munster, IN 46321 in Lake County. The practice phone is (219) 836-1600.
- Community Hospital901 Macarthur Blvd, Munster, IN 46321 · Lake CountyPhone(219) 836-1600
Source: Dmand AI Affiliation Data
Dr. Mary H. Nicholson is affiliated with 3 sites of care and 2 medical groups
Dr. Nicholson's primary practice is Community Hospital in Munster, Indiana, part of Community Healthcare System. Dr. Nicholson is also affiliated with St. Mary Medical Center. The medical group on file is Munster Radiology Group. Dmand AI also links Dr. Nicholson to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary H. Nicholson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicholson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary H. Nicholson is one of 663 diagnostic radiologists in Indiana
Diagnostic radiology is Dr. Nicholson's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Nicholson is licensed in Indiana.
Specialties and state licenses
- Diagnostic radiology, IndianaPrimary
Diagnostic radiologists near Dr. Nicholson
Counts of diagnostic radiologists 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. Mary H. Nicholson billed Medicare for 7,339 services in 2024
CMS data shows 7,339 Medicare services from Dr. Nicholson across 15 procedure codes in 2024, for 3,381 Medicare patients. Medicare paid $223,614 for them.
Dr. Nicholson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 7,4172024: 6,8468%
- Other services
- 2023: 3092024: 35415%
- Surgery
- 2023: 1972024: 13929%
Where Dr. Nicholson's Medicare services took place, 2024
- In an office5,79879%
- In a facility1,54121%
Dr. Nicholson compared with the Indiana median for diagnostic radiologists, 2024
- Dr. Nicholson
- Indiana median
- Medicare services
- 7,339vs 2,3923.1 times
- Medicare patients
- 3,381vs 1,71198% above
Medians across 639 diagnostic radiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Nicholson'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 Dr. Nicholson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nicholson and other diagnostic radiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary H. Nicholson treated 3,381 Medicare patients in 2024, average age 73
CMS counts 3,381 Medicare patients who saw Dr. Nicholson in 2024. The largest group is 65 to 74, with 1,938 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nicholson's median patient age at 57, with 98% women.
Dr. Nicholson's Medicare patients by age, 2024
Chronic conditions among Dr. Nicholson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis48%
- Anxiety25%
- Diabetes25%
- Osteoporosis23%
- Ischemic heart disease20%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nicholson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mary H. Nicholson takes part in Medicare
Dr. Nicholson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mary H. Nicholson has 1 publication on record
Dmand AI links 1 paper to Dr. Nicholson. Dr. Nicholson's most frequent co-authors are Jennifer T. Bergin, MD and Jacqueline Schilling Holt, MD.
Dr. Nicholson's most frequent co-authors
Recent publications by Dr. Nicholson
See who Dr. Nicholson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nicholson works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mary H. Nicholson received $45 in industry payments from 2016 to 2024
CMS Open Payments shows 3 general payments to Dr. Nicholson from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $26. It also lists 1 research payment totaling $1,500 in 2016.
General payments to Dr. Nicholson by program year, 2016 to 2024
Companies that paid Dr. Nicholson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary H. Nicholson graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Nicholson graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary H. Nicholson'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) |
| 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. Mary H. Nicholson
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. Mary H. Nicholson's NPI number?
Dr. Mary H. Nicholson's NPI number is 1306839667. It was assigned on August 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary H. Nicholson?
Dr. Mary H. Nicholson is a diagnostic radiologist in Munster, Indiana. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Mary H. Nicholson practice?
Dr. Nicholson practices at 901 Macarthur Blvd, Munster, IN 46321. Dr. Nicholson's primary practice is Community Hospital in Munster, Indiana, part of Community Healthcare System. Dmand AI also links Dr. Nicholson to 1 hospital and 1 medical group.
What is Dr. Mary H. Nicholson's office phone number?
The practice phone on file for Dr. Nicholson is (219) 836-1600.
What is Dr. Mary H. Nicholson's medical license number?
Dr. Nicholson holds Indiana license 0104881A.
Which hospitals is Dr. Mary H. Nicholson affiliated with?
Dr. Nicholson practices at Community Hospital in Munster, Indiana. Dr. Nicholson is also affiliated with St. Mary Medical Center. Dmand AI links Dr. Nicholson to 1 more hospital.
What medical group is Dr. Mary H. Nicholson part of?
Dr. Nicholson is linked to Munster Radiology Group. Dmand AI links Dr. Nicholson to 1 more medical group.
Does Dr. Mary H. Nicholson accept Medicare?
Yes. CMS data shows Dr. Nicholson billed Medicare for 7,339 services in 2024, and Dr. Nicholson accepts Medicare assignment.
How many Medicare patients does Dr. Mary H. Nicholson see?
CMS counts 3,381 Medicare patients who saw Dr. Nicholson in 2024, with an average age of 73.
What services does Dr. Mary H. Nicholson bill to Medicare?
In 2024, Dr. Nicholson's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and medicare service (G0279).
Show 5 more questionsShow fewer questions
Where did Dr. Mary H. Nicholson go to medical school?
Dr. Nicholson graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
Has Dr. Mary H. Nicholson received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. Nicholson from 2 companies from 2016 to 2024. The largest total came from Hologic Inc.
How long has Dr. Mary H. Nicholson been practicing?
Dr. Nicholson graduated from medical school in 1992, 34 years ago.
Does Dr. Mary H. Nicholson do research?
Dmand AI links 1 publication to Dr. Nicholson.
Who does Dr. Mary H. Nicholson publish with?
Dr. Nicholson's most frequent co-authors are Jennifer T. Bergin, MD (1 shared paper) and Jacqueline Schilling Holt, MD (1 shared paper).
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