Alexander Michael Mason, MD
Neurological Surgery Physician · Saint Paul, MN
Alexander Michael Mason, MD is a neurological surgery physician with a practice address in Saint Paul, Minnesota, and NPI 1275758039, issued on Apr 16, 2007. Check the license (Minnesota 59933, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Alexander Michael Mason
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 59933 MN
96060 SC
DR-46397 CO
57002649 OH
Self-reported in NPPES; status is on the state search - Practice location
- 640 Jackson St, Saint Paul, MN 55101
- Phone
- (651) 495-6600
- Enumerated
- Apr 16, 2007
- Record last updated
- Jan 19, 2026
- Fax
- (651) 254-3123
- Medicare enrollment
- Enrolled (PECOS I20081007000492); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 174 in Minnesota → Look up another NPI →
Also registered at 640 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Halimat AbdulganiyuNurse Practitioner1265322820
- Abdihakim Abdullahi, MDEmergency Medicine Physician1922682624
- Kolawole Adediran, M.D.Psychiatry Physician1578981239
- Tanya Adelman, PA-CPhysician Assistant1922235365
- Modupeola Adewunmi, M.DPreventive Medicine/Occupational Environmental Medicine Physician1568621209
- Ryan Ahlgren, NPPhysician Assistant1922776129
Verify Alexander Michael Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 59933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Intermountain Medical Group Denver LLCBroomfield, CO
- Tri-County Surgical Specialists LLCSummerville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Michael Mason among 174 neurological surgery physician records in Minnesota
Alexander Michael Mason, MD is one of 174 neurological surgery physician records with a practice address in Minnesota. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · median 2006 among the 112 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Minnesota
There are 174 neurological surgery physician records in Minnesota.
All 174 in Minnesota → Every provider in Saint Paul → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Patrick Graupman, MDSaint Paul, MN 551011639245822
- Peter Kim, MDSaint Paul, MN 551011336381185
- Asif Maknojia, MDSaint Paul, MN 551011013200666
- Henry MarshSaint Paul, MN 551011982290383
- Kendall Snyder, M.D.Saint Paul, MN 551011861808651
- Debbie Song, M.D.Saint Paul, MN 551011881717973
- Mary Dunn, MDSaint Paul, MN 551021982652806
- Andrew Grande, MDSaint Paul, MN 551021629289939
Common questions
What is Alexander Michael Mason, MD's NPI number?
Alexander Michael Mason, MD's National Provider Identifier (NPI) is 1275758039, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Michael Mason, MD located?
The NPPES record lists a practice address at 640 Jackson St, Saint Paul, MN, 55101. Phone: (651) 495-6600. Providers update this record themselves, so call before visiting.
How can I verify Alexander Michael Mason, MD's license?
NPPES lists Minnesota license number 59933, 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.
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.