Dr. Charles Nathaniel Heggen, MD
- Medicare services, 2024
- 2,503
- Medicare patients, 2024
- 1,847
- MIPS score, 2024
- 82
- Hospital affiliations
- 5
- Industry payments
- $27
- Practice address
- 1825 Logan Avenue, Waterloo, IA 50703
- Practice phone
- Call (319) 235-3941
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Heggen'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. Charles Nathaniel Heggen is a diagnostic radiologist in Waterloo, Iowa
Dr. Heggen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health.
Dr. Heggen's NPI, 1144287590, was assigned on April 28, 2006. Dr. Heggen graduated from University of Iowa, RJ & L Carver College of Medicine in 1979. Dr. Heggen holds Iowa license 22233.
- NPI
- 1144287590NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567353790
- NPI enumeration date
- April 28, 2006
- NPI status
- Active
- Practice phone
- (319) 235-3941
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Charles Nathaniel Heggen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa
Dr. Heggen's primary practice is UnityPoint Health - Allen Hospital, at 1825 Logan Avenue, Waterloo, IA 50703 in Black Hawk County. The practice phone is (319) 235-3941.
- UnityPoint Health - Allen Hospital1825 Logan Avenue, Waterloo, IA 50703 · Black Hawk CountyPhone(319) 235-3941
Source: Dmand AI Affiliation Data
Dr. Charles Nathaniel Heggen is affiliated with 5 sites of care and 1 medical group
Dr. Heggen's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dr. Heggen is also affiliated with MercyOne Waterloo Medical Center. The medical group on file is UnityPoint Health - Allen Hospital. Dmand AI also links Dr. Heggen to 3 more hospitals, 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. Charles Nathaniel Heggen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heggen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UnityPoint Health - Allen Hospital | Available with a free account |
| +4 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 UnityPoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles Nathaniel Heggen is one of 299 diagnostic radiologists in Iowa
Diagnostic radiology is Dr. Heggen's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Heggen is licensed in Iowa.
Specialties and state licenses
- Diagnostic radiology, IowaPrimary
Diagnostic radiologists near Dr. Heggen
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. Charles Nathaniel Heggen billed Medicare for 2,503 services in 2024
CMS data shows 2,503 Medicare services from Dr. Heggen across 39 procedure codes in 2024, for 1,847 Medicare patients. Medicare paid $35,178 for them.
Dr. Heggen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,6712024: 2,32537%
- Other services
- 2023: 932024: 10816%
- Tests and treatments
- 2023: 1602024: 7056%
- Surgery
- 2023: 112024: 0100%
Where Dr. Heggen's Medicare services took place, 2024
- In an office492%
- In a facility2,45498%
Dr. Heggen compared with the Iowa median for diagnostic radiologists, 2024
- Dr. Heggen
- Iowa median
- Medicare services
- 2,503vs 3,02717% below
- Medicare patients
- 1,847vs 2,33621% below
Medians across 293 diagnostic radiologists in Iowa with Dmand AI profiles that report each measure.
Dr. Heggen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heggen and other diagnostic radiologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Nathaniel Heggen treated 1,847 Medicare patients in 2024, average age 74
CMS counts 1,847 Medicare patients who saw Dr. Heggen in 2024. The largest group is 65 to 74, with 885 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Heggen's median patient age at 68, with 60% women.
Dr. Heggen's Medicare patients by age, 2024
Dr. Heggen's Medicare patients by sex, 2024
- Women1,23767%
- Men61033%
Chronic conditions among Dr. Heggen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis53%
- Chronic kidney disease31%
- Diabetes29%
- Ischemic heart disease29%
- Mood disorders26%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Heggen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Nathaniel Heggen scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Heggen for performance year 2024, reported as part of a group.
Dr. Heggen's MIPS scores, performance year 2024
- 82of 100Final score
- 83.7of 100Quality
- 83of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles Nathaniel Heggen received $27 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Heggen from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $14.
Companies that paid Dr. Heggen the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Nathaniel Heggen graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Heggen graduated from University of Iowa, RJ & L Carver College of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles Nathaniel Heggen'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 | 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. Charles Nathaniel Heggen
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. Charles Nathaniel Heggen's NPI number?
Dr. Charles Nathaniel Heggen's NPI number is 1144287590. It was assigned on April 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Nathaniel Heggen?
Dr. Charles Nathaniel Heggen is a diagnostic radiologist in Waterloo, Iowa. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Charles Nathaniel Heggen practice?
Dr. Heggen practices at 1825 Logan Avenue, Waterloo, IA 50703. Dr. Heggen's primary practice is UnityPoint Health - Allen Hospital in Waterloo, Iowa, part of UnityPoint Health. Dmand AI also links Dr. Heggen to 3 hospitals.
What is Dr. Charles Nathaniel Heggen's office phone number?
The practice phone on file for Dr. Heggen is (319) 235-3941.
What is Dr. Charles Nathaniel Heggen's medical license number?
Dr. Heggen holds Iowa license 22233.
Which hospitals is Dr. Charles Nathaniel Heggen affiliated with?
Dr. Heggen practices at UnityPoint Health - Allen Hospital in Waterloo, Iowa. Dr. Heggen is also affiliated with MercyOne Waterloo Medical Center. Dmand AI links Dr. Heggen to 3 more hospitals.
What medical group is Dr. Charles Nathaniel Heggen part of?
Dr. Heggen is linked to UnityPoint Health - Allen Hospital.
Does Dr. Charles Nathaniel Heggen accept Medicare?
Yes. CMS data shows Dr. Heggen billed Medicare for 2,503 services in 2024.
What is Dr. Charles Nathaniel Heggen's MIPS score?
Dr. Heggen's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles Nathaniel Heggen see?
CMS counts 1,847 Medicare patients who saw Dr. Heggen in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Charles Nathaniel Heggen bill to Medicare?
In 2024, Dr. Heggen's most billed Medicare services were diagnostic imaging (71046), radiation oncology (77067) and radiation oncology (77063).
Where did Dr. Charles Nathaniel Heggen go to medical school?
Dr. Heggen graduated from University of Iowa, RJ & L Carver College of Medicine in 1979.
Has Dr. Charles Nathaniel Heggen received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Heggen from 2 companies from 2016 to 2016. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Charles Nathaniel Heggen been practicing?
Dr. Heggen graduated from medical school in 1979, 47 years ago.
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