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Mark Karsten, OD
NPI 1427029305 · Optometrist · Alpena, MI
Mark Karsten, OD is a Optometrist provider in Alpena, MI (NPI 1427029305).
Provider details
- NPI number
- 1427029305
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 002883 (MI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(95/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
224 E Chisholm St Ste a
Alpena, MI 49707-2820
Phone: (989) 354-5890
Street-level locationGet directions
Mailing address
Po Box 158
Alpena, MI 49707
Additional practice locations (1)
- 200 E Chisholm StAlpena, MI 49707Phone: (989) 354-5890Fax: (989) 354-6213
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2018-04-27
Frequently asked questions
- What is Mark Karsten's NPI number?
- Mark Karsten's National Provider Identifier (NPI) is 1427029305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Karsten's specialty?
- Mark Karsten is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Karsten located?
- Mark Karsten's practice location on file with NPPES is 224 E Chisholm St Ste a, Alpena, MI 49707-2820.
- What is Mark Karsten's phone number?
- The practice phone number listed in the NPPES registry for Mark Karsten is (989) 354-5890.
- Is Mark Karsten's NPI active?
- Yes — Mark Karsten's NPI (1427029305) is active in the NPPES registry as of the last update on 2018-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.