Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Dermatology

Michael J. Haiman, MD

Sees patients in Santa Rosa, CA · California

Summary

Michael J. Haiman, MD (Dermatology) is enrolled with Medicare at 1 practice location in Santa Rosa, CA. NPI 1457435448. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Haiman, 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

DermatologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Michael J. Haiman see patients?
Medicare's clinician data lists 1 practice location in Santa Rosa, CA. Call before your visit to confirm the address.
What is Michael J. Haiman's specialty?
Medicare lists Dermatology as the primary specialty.
Does Michael J. Haiman accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Haiman 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.
What is the phone number for Michael J. Haiman?
(707) 570-3100, as listed in official Medicare / NPI Registry data.
What is Michael J. Haiman's NPI number?
1457435448. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in Santa Rosa

Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.

All dermatologists in Santa Rosa →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457435448
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians