Michael Paul Merren, MD
Anesthesiology · Rochester, MN
At a glance
200 1St St Sw, Rochester, MN 55905-0001
NPPES record updated Sep 29, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
200 1St St SwRochester, MN 55905-0001
Additional reported practice locations
1009 W Green StHastings, MI 490581710
Phone: 2699453451 10538 Mission Gorge Rd Ste 100
Santee, CA 920713154
Phone: 6194560033
Fax: 6194560095 8590 Rio San Diego Dr Ste 111
San Diego, CA 921085597
Phone: 6197364600
Fax: 6195429796 8260 Mira Mesa Blvd Ste A
San Diego, CA 921262662
Phone: 8589003550
Fax: 8587579177 5671 Balboa Ave
San Diego, CA 921112705
Phone: 8588002880
Fax: 8582562727 760 Otay Lakes Rd
Chula Vista, CA 91910
Phone: 6198212300
Fax: 6198212301
Education & affiliations
- Medical / professional school
- Michigan State University College Of Human Medicine
- Graduation year
- 2015
- CMS specialties
- Anesthesiology
Practice groups
Reported hospital affiliations
- Mayo Clinic Hospital Rochester Rochester, MN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Anesthesiology
- Taxonomy code
- 207L00000X
- Enumeration date
- Jun 14, 2006
- Record updated
- Sep 29, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207L00000X · Primary
License reported: 66967 MN
208D00000X
License reported: A157791 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
200 1St St SwRochester, MN 55905-0001
- Phone
- (507) 284-2511
Mailing address
200 1ST ST SWROCHESTER, MN 559050001
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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