Derrick L. Rocker, PA-C
Physician Assistant · Iowa City, IA
Derrick L. Rocker, PA-C is a physician assistant with a practice address in Iowa City, Iowa, and NPI 1285014332, issued on Jun 4, 2015. Check the license (Iowa 132821, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derrick L. Rocker
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 132821 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-2223
- Enumerated
- Jun 4, 2015
- Record last updated
- Jun 23, 2026
- Fax
- (319) 353-6745
- Medicare enrollment
- Enrolled (PECOS I20200617001714); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,525 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Derrick L. Rocker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 132821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average physician assistant in 2024
219 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Oxycodone Hcl86 claims
- Ondansetron Hcl37 claims
- Celecoxib33 claims
- Ondansetron Odt21 claims
- Meloxicam11 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: $38.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Alegent Creighton ClinicPapillion, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick L. Rocker among 1,525 physician assistant records in Iowa
Derrick L. Rocker, PA-C is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2017 among the 1,053 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
226 physician assistant records list a practice address in Iowa City
They are 226 of the 7,163 NPPES records with a practice address in Iowa City, and 1,525 physician assistant records in Iowa.
All 1,525 in Iowa → Every provider in Iowa City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lynn Gingerich, PAIowa City, IA 522421013900224
- Mary Greve, PA CIowa City, IA 522421477547768
- Keith Guess, PAIowa City, IA 522421841293354
- Judith Heckman, PA CIowa City, IA 522421154316875
- Myrl Holida, PACIowa City, IA 522421992790778
- Craig Larson, PACIowa City, IA 522421912990128
- Nita Lee, PAIowa City, IA 522421417942111
- Robert Lewis, PAIowa City, IA 522421225020423
Common questions
What is Derrick L. Rocker, PA-C's NPI number?
Derrick L. Rocker, PA-C's National Provider Identifier (NPI) is 1285014332, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Derrick L. Rocker, PA-C located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2223. Providers update this record themselves, so call before visiting.
How can I verify Derrick L. Rocker, PA-C's license?
NPPES lists Iowa license number 132821, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Derrick L. Rocker, PA-C prescribe under Medicare Part D?
In 2024, Derrick L. Rocker, PA-C had 219 Medicare Part D claims for 95 beneficiaries; the average among physician assistant prescribers was 830. 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.