Stephen Stone, MD
Internal Medicine Physician · Iowa City, IA
Stephen Stone, MD is an internal medicine physician with a practice address in Iowa City, Iowa, and NPI 1407472327, issued on Jun 17, 2020. Check the license (Iowa R-11988, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Stone
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R-11988 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr Dept OF, Iowa City, IA 52242
- Phone
- (916) 521-2912
- Enumerated
- Jun 17, 2020
- Record last updated
- Jun 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20231110001886); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr Dept OF
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Stone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-11988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
858 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium85 claims
- Losartan Potassium36 claims
- Lisinopril30 claims
- Tamsulosin Hcl30 claims
- Levothyroxine Sodium24 claims
- Omeprazole24 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: $62.75
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Stone among 871 internal medicine physician records in Iowa
Stephen Stone, MD is one of 871 internal medicine physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2020 · median 2008 among the 386 with a school on file
- Record last updated2020 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
215 internal medicine physician records list a practice address in Iowa City
They are 215 of the 7,163 NPPES records with a practice address in Iowa City, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Iowa City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- William Haynes, MDIowa City, IA 522421083602601
- William Iverson, MDIowa City, IA 522421346238904
- Peter Kaboli, MDIowa City, IA 522421518949940
- David Katz, MDIowa City, IA 522421023090321
- Ann Machlab, MDIowa City, IA 522421780668004
Common questions
What is Stephen Stone, MD's NPI number?
Stephen Stone, MD's National Provider Identifier (NPI) is 1407472327, issued on Jun 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Stone, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr Dept OF, Iowa City, IA, 52242. Phone: (916) 521-2912. Providers update this record themselves, so call before visiting.
How can I verify Stephen Stone, MD's license?
NPPES lists Iowa license number R-11988, 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 Stephen Stone, MD prescribe under Medicare Part D?
In 2024, Stephen Stone, MD had 858 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.