OrganizationActive
Allegan Surgical Associates PC
NPI 1811146228 · Surgery Physician · Allegan, MI
Allegan Surgical Associates PC is a Surgery Physician organization in Allegan, MI (NPI 1811146228).
Provider details
- NPI number
- 1811146228
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marcus Blass, Co-Owner(269) 686-5800
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
551 Linn St
Suite 150
Allegan, MI 49010-1595
Phone: (269) 686-5800
Fax: (269) 686-5899
Street-level locationGet directions
Mailing address
551 Linn St
Allegan, MI 49010-1595
Registry dates
- Enumerated
- 2008-09-10
- Last updated
- 2008-09-10
Frequently asked questions
- What is Allegan Surgical Associates PC's NPI number?
- Allegan Surgical Associates PC's National Provider Identifier (NPI) is 1811146228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allegan Surgical Associates PC?
- Allegan Surgical Associates PC is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Allegan Surgical Associates PC located?
- Allegan Surgical Associates PC's practice location on file with NPPES is 551 Linn St, Allegan, MI 49010-1595.
- What is Allegan Surgical Associates PC's phone number?
- The practice phone number listed in the NPPES registry for Allegan Surgical Associates PC is (269) 686-5800.
- Who is the authorized official for Allegan Surgical Associates PC?
- The authorized official listed on Allegan Surgical Associates PC's NPPES record is Marcus Blass, Co-Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allegan Surgical Associates PC's NPI active?
- Yes — Allegan Surgical Associates PC's NPI (1811146228) is active in the NPPES registry as of the last update on 2008-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.