Darryl C. Johnson, DO
Obstetrics & Gynecology Physician · Ames, IA
Darryl C. Johnson, DO is an obstetrics & gynecology physician with a practice address in Ames, Iowa, and NPI 1720084916, issued on Jun 22, 2005. Check the license (Iowa 02790, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Darryl C. Johnson
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 02790 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 Duff Ave, Ames, IA 50010
- Phone
- (515) 239-4414
- Enumerated
- Jun 22, 2005
- Record last updated
- May 16, 2023
- Medicaid ID
- 3097246 IA
- Medicare enrollment
- Enrolled (PECOS I20061003000720); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 339 in Iowa → Look up another NPI →
Also registered at 1015 Duff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Alexander, MDNephrology Physician1558357376
- Rami Almokayyad, MDEndocrinology, Diabetes & Metabolism Physician1194929786
- Lavanya Amuluru, Md, MDNephrology Physician1265588834
- Roberta Baldus, PACObstetrics & Gynecology Physician1518967454
- Bonnie Beer, M.D.Obstetrics & Gynecology Physician1609863216
- Gregory Brandenberg, MD, PH.D.Neurological Surgery Physician1487629762
Verify Darryl C. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 02790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
224 Medicare Part D claims for 79 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Medroxyprogesterone Acetate61 claims
- Oxybutynin Chloride Er51 claims
- Mometasone Furoate42 claims
- Estradiol16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $20.50
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darryl C. Johnson among 339 obstetrics & gynecology physician records in Iowa
Darryl C. Johnson, DO is one of 339 obstetrics & gynecology physician records with a practice address in Iowa. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 75% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1987 · median 2006 among the 188 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Iowa
There are 339 obstetrics & gynecology physician records in Iowa.
All 339 in Iowa → Every provider in Ames → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Roberta Baldus, PACAmes, IA 500101518967454
- Bonnie Beer, M.D.Ames, IA 500101609863216
- James Downard, M.D.Ames, IA 500101720076243
- Joan Grabenstetter, M.D.Ames, IA 500101952399941
- Joyce Lines, MDAmes, IA 500101649270588
- Mary Rotto, PACAmes, IA 500101417939638
- Beth Soulli, DOAmes, IA 500101255621512
- Jack Swanson, DO, PH.DAmes, IA 500101467445007
Common questions
What is Darryl C. Johnson, DO's NPI number?
Darryl C. Johnson, DO's National Provider Identifier (NPI) is 1720084916, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Darryl C. Johnson, DO located?
The NPPES record lists a practice address at 1015 Duff Ave, Ames, IA, 50010. Phone: (515) 239-4414. Providers update this record themselves, so call before visiting.
How can I verify Darryl C. Johnson, DO's license?
NPPES lists Iowa license number 02790, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darryl C. Johnson, DO prescribe under Medicare Part D?
In 2024, Darryl C. Johnson, DO had 224 Medicare Part D claims for 79 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.