Steven Guo Wan
Obstetrics & Gynecology Physician · Newburyport, MA
Steven Guo Wan is an obstetrics & gynecology physician with a practice address in Newburyport, Massachusetts, and NPI 1750946778, issued on May 6, 2019. Check the license (Massachusetts 1015843, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Steven Guo Wan
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 1015843 MA
Self-reported in NPPES; status is on the state search - Practice location
- 255 Low St Ste 101, Newburyport, MA 01950
- Phone
- (978) 556-0100
- Enumerated
- May 6, 2019
- Record last updated
- Dec 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20240302000621); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Verify Steven Guo Wan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1015843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
73 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Premarin12 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.
Bills Medicare through one group practice
- Seacoast Affiliated Group Practice IncHaverhill, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Guo Wan among 1,127 obstetrics & gynecology physician records in Massachusetts
Steven Guo Wan is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.
- NPI issued2019 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2004 among the 715 with a school on file
- Record last updated2025 · 64% 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 Massachusetts 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 Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Newburyport → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Julie McCullough, MDPeabody, MA 019601407802192
- Betsy August, MDSalem, MA 019701346231271
- Rachael Consoli, MDSalem, MA 019701093884603
- Anastasia Koniaris, M.D.Salem, MA 019701457576803
- Margaret Ann Malloy, M.D.Salem, MA 019701407881436
- Thomas Murray, MDSalem, MA 019701548375074
- Michael Reich, MDSalem, MA 019701649226333
- Amanda French, MDDanvers, MA 019231275592586
Common questions
What is Steven Guo Wan's NPI number?
Steven Guo Wan's National Provider Identifier (NPI) is 1750946778, issued on May 6, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Steven Guo Wan located?
The NPPES record lists a practice address at 255 Low St Ste 101, Newburyport, MA, 01950. Phone: (978) 556-0100. Providers update this record themselves, so call before visiting.
How can I verify Steven Guo Wan's license?
NPPES lists Massachusetts license number 1015843, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Guo Wan prescribe under Medicare Part D?
In 2024, Steven Guo Wan had 73 Medicare Part D claims for 39 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.