AMBULATORY SURGICAL CENTER, LLC
NPI 1891717823
Clinic/Center - Ambulatory Surgical in Oshkosh, WI
NPI Status: Active since July 25, 2006
Contact Information
2120 S WASHBURN ST
OSHKOSH, WI
ZIP 54904
Phone: (920) 236-3550
Fax: (920) 238-3169
- Organization
- Clinic/Center
- Ambulatory Surgical
- Accepts Insurance
- CLIA Number: 52D0979867
- CLIA Cert. Type: Ambulatory Surgery Center
- CLIA Exp. Date: 11-01-2026
About AMBULATORY SURGICAL CENTER, LLC
This page provides the complete NPI Profile along with additional information for Ambulatory Surgical Center, Llc, a provider established in Oshkosh, Wisconsin operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1891717823 assigned on July 2006. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Dr. Eric Larson M.d. (Medical Director)
- NPI
- 1891717823
- Provider Name
- AMBULATORY SURGICAL CENTER, LLC
- Entity Type
- Organization
- Location Address
- 2120 S WASHBURN ST OSHKOSH, WI 54904
- Location Phone
- (920) 236-3550
- Location Fax
- (920) 238-3169
- Mailing Address
- 2120 S WASHBURN ST OSHKOSH, WI 54904
- Mailing Phone
- (920) 236-3550
- Mailing Fax
- (920) 238-3169
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-25-2006
- Last Update Date
- 02-09-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Ambulatory Surgical
- Taxonomy Code
- 261QA1903X
- Type
- Ambulatory Health Care Facilities
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) - POS
- Anthem Bronze Preferred/Broad HSA (+ Incentives) - POS
- Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) - POS
- Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) - POS
- Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Prestige Bronze $0 Medical Deductible - HMO
- Prestige Bronze $0 Medical Deductible + Dental + Vision - HMO
- Prestige Bronze $0 Medical Deductible + Dental +Vision - HMO
- Prestige Bronze Essential + 3 Free PCP Visits - HMO
- Prestige Bronze Essential + Dental + Vision + 3 Free PCP Visits - HMO
- Prestige Bronze Plus - HMO
- Prestige Gold - HMO
- Prestige Gold 50 + 1 Free PCP Visit - HMO
- Prestige Gold 50 + Dental + Vision + 1 Free PCP Visit - HMO
- Prestige Gold 50 + Dental + Vision+ 1 Free PCP Visit - HMO
- Prestige Gold Essential + 3Free PCP Visits - HMO
- Prestige Gold Essential + Dental + Vision + 3 Free PCP Visits - HMO
- Prestige Silver - HMO
- Prestige Silver Essential + 3 Free PCP Visits - HMO
- Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits - HMO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| NPI 1619957230 | OTHER (01) | STEPHEN J MERFELD | |
| 41911700 | MEDICAID (05) | WI | |
| NPI 1437244621 | OTHER (01) | BRADLEY N LEMKE | |
| NPI 1275513467 | OTHER (01) | ERIC M LARSON |
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye
Incision to improve eye fluid flow
Laser repair to improve eye fluid flow
Removal of cataract with insertion of prosthetic lens
This is a two-part eye procedure. First, a cloudy lens (cataract) is removed from its outer layer and replaced with an artificial lens to improve vision. Second, a drainage device is inserted into the front part of the eye to manage fluid levels, preventing pressure build-up.
This service was performed 17 times for 11 patientsThis procedure, known as a trabeculectomy, involves creating a small opening in the eye to improve fluid flow. This can help lower eye pressure in conditions like glaucoma. It's a common, safe procedure to protect your eye health.
This service was performed 20 times for 13 patientsLaser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.
This service was performed 17 times for 13 patientsThis is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
This service was performed 298 times for 179 patientsCLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 52D0979867
- Facility Type
- Ambulatory Surgery Center
- Certificate Effective Date
- November 02, 2024
- Certificate Expiration Date
- November 01, 2026
- Laboratory Director
- DR. ERIC LARSON
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Ambulatory Surgical Center, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1891717823, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891717823, enumerated as an "organization" on July 25, 2006.
The provider is located at 2120 S WASHBURN ST OSHKOSH, WI 54904 and the phone number is (920) 236-3550.
Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.
The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Network Health,. Please consult your insurance carrier or call the provider to verify.
