Dr. Christopher Cullen Johnson, MD
- Medicare services, 2018
- 47
- Part D claims, 2023
- 19
- Hospital affiliations
- 1
- Industry payments
- $1,107
- State license
- 1
- Practice address
- 312 9th Street SW, Waverly, IA 50677
- Practice phone
- Call (319) 352-4120
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Christopher Cullen Johnson is an OB-GYN in Waverly, Iowa
Dr. Johnson practices at Waverly Health Center in Waverly, Iowa, part of City of Waverly.
Dr. Johnson's NPI, 1508852666, was assigned on September 23, 2005. Dr. Johnson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990. Dr. Johnson holds Iowa license 29118.
- NPI
- 1508852666NPI Registry (opens in a new tab)
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Practice phone
- (319) 352-4120
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Christopher Cullen Johnson practices at Waverly Health Center in Waverly, Iowa
Dr. Johnson's primary practice is Waverly Health Center, at 312 9th Street SW, Waverly, IA 50677 in Bremer County. The practice phone is (319) 352-4120.
- Waverly Health Center312 9th Street SW, Waverly, IA 50677 · Bremer CountyPhone(319) 352-4120
Source: Dmand AI Affiliation Data
Dr. Christopher Cullen Johnson is affiliated with 1 site of care
Dr. Johnson's primary practice is Waverly Health Center in Waverly, Iowa, part of City of Waverly. Dr. Johnson's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Cullen Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Waverly Health Center | 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 City of Waverly and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christopher Cullen Johnson is one of 291 OB-GYNs in Iowa
Obstetrics and gynecology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Johnson is licensed in Iowa.
Specialties and state licenses
- Obstetrics and gynecology, IowaPrimary
OB-GYNs near Dr. Johnson
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. Christopher Cullen Johnson billed Medicare for 47 services in 2018
CMS data shows 47 Medicare services from Dr. Johnson across 2 procedure codes in 2018. Medicare paid $1,361 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 392018: 2731%
- Other services
- 2017: 202018: 20No change
Dr. Johnson compared with the Iowa median for OB-GYNs, 2018
- Dr. Johnson
- Iowa median
- Medicare services
- 47vs 439% above
- Part D claims
- 19vs 2832% below
Medians across 291 OB-GYNs in Iowa with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2018
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. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other OB-GYNs in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Cullen Johnson's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 40, with 94% women.
Dr. Johnson'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
- Women94%
- Men6%
Source: Dmand AI Patient Panel Data
Dr. Christopher Cullen Johnson wrote 19 Medicare Part D claims in 2023
In 2023, Dr. Johnson wrote 19 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,546 in total drug cost. In 2022, CMS named 31 claims across 1 drug.
Dr. Johnson'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 312023: 1939%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Christopher Cullen Johnson received $1,107 in industry payments from 2016 to 2021
CMS Open Payments shows 35 general payments to Dr. Johnson from 12 drug and device companies from 2016 to 2021. Consulting fees make up the largest share, 45% of the total. Cardinal Health 110 LLC paid the most, $400.
General payments to Dr. Johnson by program year, 2016 to 2021
General payments to Dr. Johnson by kind, 2016 to 2021
- Consulting fees$50045%
- Food and beverage$45741%
- Speaker and faculty fees$1009%
- Education$505%
Companies that paid Dr. Johnson the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Cullen Johnson graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Johnson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Cullen Johnson'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Christopher Cullen Johnson
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. Christopher Cullen Johnson's NPI number?
Dr. Christopher Cullen Johnson's NPI number is 1508852666. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Cullen Johnson?
Dr. Christopher Cullen Johnson is an OB-GYN in Waverly, Iowa. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Christopher Cullen Johnson practice?
Dr. Johnson practices at 312 9th Street SW, Waverly, IA 50677. Dr. Johnson's primary practice is Waverly Health Center in Waverly, Iowa, part of City of Waverly.
What is Dr. Christopher Cullen Johnson's office phone number?
The practice phone on file for Dr. Johnson is (319) 352-4120.
What is Dr. Christopher Cullen Johnson's medical license number?
Dr. Johnson holds Iowa license 29118.
Which hospitals is Dr. Christopher Cullen Johnson affiliated with?
Dr. Johnson practices at Waverly Health Center in Waverly, Iowa.
Does Dr. Christopher Cullen Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 47 services in 2018.
What services does Dr. Christopher Cullen Johnson bill to Medicare?
In 2018, Dr. Johnson's most billed Medicare services were office visit, established patient (99212) and medicare service (G0101).
Where did Dr. Christopher Cullen Johnson go to medical school?
Dr. Johnson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990.
What drugs does Dr. Christopher Cullen Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Estradiol.
Has Dr. Christopher Cullen Johnson received payments from drug or device companies?
CMS Open Payments shows $1,107 in general payments to Dr. Johnson from 12 companies from 2016 to 2021. The largest total came from Cardinal Health 110 LLC.
How long has Dr. Christopher Cullen Johnson been practicing?
Dr. Johnson graduated from medical school in 1990, 36 years ago.
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