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Neurosurgery

Michael S. Kleinman, DO

Works at hospitals in Portland, ME · Maine

Summary

Michael S. Kleinman, DO (Neurosurgery) is listed by Medicare at 1 hospital in Portland, ME. NPI 1588839773. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael S. Kleinman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Michael S. Kleinman work at?
Medicare's official clinician data lists Michael S. Kleinman at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael S. Kleinman see patients?
Medicare's clinician data lists 2 practice locations, including Portland, ME and Scarborough, ME. Call before your visit to confirm the address.
What is Michael S. Kleinman's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Michael S. Kleinman accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Kleinman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Michael S. Kleinman offer telehealth?
Medicare's clinician data says Michael S. Kleinman offers telehealth services. Ask the office which visits can be done by video or phone.
What is Michael S. Kleinman's NPI number?
1588839773. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael S. Kleinman works

Medicare's Facility Affiliation Data lists Michael S. Kleinman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael S. Kleinman is enrolled with Medicare (CMS data updated 2026-10-02).

  • 22 Bramhall StPortland, ME 04102
  • 92 Campus DrScarborough, ME 04074

Group practices

Medicare enrollment lists Michael S. Kleinman as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Neurosurgery doctors in Maine →

Other neurosurgeons in Portland

Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.

All neurosurgeons in Portland →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588839773
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians