William Mohn, PA-C
Medical Physician Assistant · Springfield, MA
William Mohn, PA-C is a medical physician assistant with a practice address in Springfield, Massachusetts, and NPI 1467943100, issued on May 29, 2018. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Mohn
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- Practice location
- 759 Chestnut St, Springfield, MA 01107
- Phone
- (413) 794-3233
- Enumerated
- May 29, 2018
- Record last updated
- Jul 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (413) 794-9060
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 886 in Massachusetts → Look up another NPI →
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Verify William Mohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average medical physician assistant in 2024
201 Medicare Part D claims for 152 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 26 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass20 claims
- Doxycycline Monohydrate19 claims
- Oxycodone Hcl14 claims
- Cefpodoxime Proxetil13 claims
- Prednisone12 claims
- Cephalexin11 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.
William Mohn among 886 medical physician assistant records in Massachusetts
William Mohn, PA-C is one of 886 medical physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 69% of them.
- NPI issued2018 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
182 medical physician assistant records list a practice address in Springfield
They are 182 of the 8,553 NPPES records with a practice address in Springfield, and 886 medical physician assistant records in Massachusetts.
All 886 in Massachusetts → Every provider in Springfield → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Robin Buckingham, PA-CSpringfield, MA 011071578654869
- Christina Camara, P.A.Springfield, MA 011071144204298
- Francesca Carlucci, P.A.Springfield, MA 011071508846981
- Kimberly Lookner, PA-CSpringfield, MA 011071457335093
- Patrick Madden, PA-CSpringfield, MA 011071679556385
- Viktoria Madden, PASpringfield, MA 011071326074998
- Anissa Newman, PA-CSpringfield, MA 011071275603169
- Kellyann O'Brien, PA-CSpringfield, MA 011071619910155
Common questions
What is William Mohn, PA-C's NPI number?
William Mohn, PA-C's National Provider Identifier (NPI) is 1467943100, issued on May 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Mohn, PA-C located?
The NPPES record lists a practice address at 759 Chestnut St, Springfield, MA, 01107. Phone: (413) 794-3233. Providers update this record themselves, so call before visiting.
How can I verify William Mohn, PA-C's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does William Mohn, PA-C prescribe under Medicare Part D?
In 2024, William Mohn, PA-C had 201 Medicare Part D claims for 152 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.