Steven William Sonnesyn, MD
Infectious Disease Physician · Minneapolis, MN
Steven William Sonnesyn, MD is an infectious disease physician with a practice address in Minneapolis, Minnesota, and NPI 1275600231, issued on Nov 28, 2006. Check the license (Minnesota 34084, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Steven William Sonnesyn
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 34084 MN
Self-reported in NPPES; status is on the state search - Practice location
- 800 E 28TH St, Minneapolis, MN 55407
- Phone
- (952) 746-8360
- Enumerated
- Nov 28, 2006
- Record last updated
- Mar 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (952) 746-8368
- Medicaid ID
- 074865000 MN
- Medicare enrollment
- Enrolled (PECOS I20100927000665); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 216 in Minnesota → Look up another NPI →
Also registered at 800 E 28TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lda Abreu, ARNPNeonatal Nurse Practitioner1790730265
- Robyn Achmann, APNP-BCAdult Health Nurse Practitioner1871862219
- Mary Adam, CNSAdult Health Clinical Nurse Specialist1720398746
Verify Steven William Sonnesyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 34084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average infectious disease physician in 2024
495 Medicare Part D claims for 143 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cefazolin Sodium40 claims
- Sulfamethoxazole-Trimethoprim38 claims
- Amoxicillin-Clavulanate Potass32 claims
- Ceftriaxone32 claims
- Amoxicillin31 claims
- Cephalexin31 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Allina Health SystemMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven William Sonnesyn among 216 infectious disease physician records in Minnesota
Steven William Sonnesyn, MD is one of 216 infectious disease physician records with a practice address in Minnesota. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1987 · median 2007 among the 153 with a school on file
- Record last updated2015 · 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 207RI0200X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Minnesota
There are 216 infectious disease physician records in Minnesota.
All 216 in Minnesota → Every provider in Minneapolis → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Daniel Anderson, MDMinneapolis, MN 554071811064876
- Laurel Cushing, M.D.Minneapolis, MN 554071659579324
- James England, MDMinneapolis, MN 554071710243282
- Caroline Feigert, DOMinneapolis, MN 554071124655873
- Michele Granada, MDMinneapolis, MN 554071487971941
- Katherine Marichal, MDMinneapolis, MN 554071598328924
- Alison Bormann, M.DMinneapolis, MN 554081669659330
- Frank Rhame, MDMinneapolis, MN 554081811959901
Common questions
What is Steven William Sonnesyn, MD's NPI number?
Steven William Sonnesyn, MD's National Provider Identifier (NPI) is 1275600231, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven William Sonnesyn, MD located?
The NPPES record lists a practice address at 800 E 28TH St, Minneapolis, MN, 55407. Phone: (952) 746-8360. Providers update this record themselves, so call before visiting.
How can I verify Steven William Sonnesyn, MD's license?
NPPES lists Minnesota license number 34084, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven William Sonnesyn, MD prescribe under Medicare Part D?
In 2024, Steven William Sonnesyn, MD had 495 Medicare Part D claims for 143 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Steven William Sonnesyn, MD's MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.