GREAT LAKES BAY SURGERY & ENDSCOPY CENTER
NPI 1437477619
Clinic/Center - Ambulatory Surgical in Midland, MI

Q: What is Nps Associates, LLC's NPI number?

The NPI number for Nps Associates, LLC is 1437477619. It was assigned to this organization in the NPPES registry on May 12, 2010. The provider is doing business as Great Lakes Bay Surgery & Endscopy Center.

Q: What is Nps Associates, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Active since May 12, 2010CLIA 23D2009548 · Waiver

4011 ORCHARD DR, STE. 3008, MIDLAND, MI 48640(989) 839-6636(989) 839-0021 Get Directions Write a Review

NPPES record last updated: May 12, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Great Lakes Bay Surgery & Endscopy Center NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREAT LAKES BAY SURGERY & ENDSCOPY CENTER (NPI 1437477619) is a healthcare organization registered as an ambulatory surgical in Midland, Michigan and active in the NPI registry since May 2010. The organization holds a CLIA Waiver certificate valid through July 6, 2028 and lists Thomas Noyle, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1437477619

Entity TypeOrganization

Primary Taxonomy261QA1903X

Legal Business NameNPS ASSOCIATES, LLC

Location Address4011 ORCHARD DR, STE. 3008Midland, MI 48640-6190

Mailing AddressPo Box 1702Midland, MI 48641-1702 · (989) 839-6636 · Fax (989) 839-0021

Phone(989) 839-6636

Fax(989) 839-0021

Organization SubpartNo

Authorized OfficialThomas NoyleBusiness Manager · (989) 839-6636

Enumeration DateMay 12, 2010

✔ NPI 1437477619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities

Taxonomy Code261QA1903X

4011 ORCHARD DR, Midland, MI 48640

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Other Names 1

Doing Business AsGreat Lakes Bay Surgery & Endscopy Center

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Great Lakes Bay Surgery & Endscopy Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Great Lakes Bay Surgery & Endscopy Center, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Karla Witzke, D.O.

Urology

NPI 1922202258

4201 CAMPUS RIDGE DR STE 3400
Midland, MI 48640

(989) 839-1386

✔ PECOS✔ Accepts Medicare0.7 mi

Lawrence Sternberg, DPM

Podiatry

NPI 1861462459

2924 MANOR DR
Midland, MI 48640

(989) 631-0200

✔ PECOS✔ Accepts Medicare1.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 23D2009548

Nps Associates LLC Dba Great Lakes Bay Surgery & Endoscopy Center · Midland, MI

Active · expires Jul 6, 2028

CLIA Number23D2009548

Laboratory TypeAmbulatory Surgery Center

Certificate Effective DateJuly 7, 2026

Certificate Expiration DateJuly 6, 2028

Laboratory DirectorChristina L. Murphy

Laboratory Phone(989) 249-1922

Laboratory LocationNps Associates LLC Dba Great Lakes Bay Surgery & Endoscopy Center4228 Bay City Road, Midland, MI 48642

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of cataract with insertion of prosthetic lens 66984

This 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.

243 services157 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

200 services200 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

194 services191 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

181 services173 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

104 services72 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

89 services88 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

87 services84 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

82 services82 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

49 services49 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

40 services39 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

36 services33 patients

Release and/or relocation of hand nerve 64721

This procedure involves adjusting or moving a nerve in your hand to alleviate discomfort or improve function. The nerve may be compressed, causing pain or numbness. By releasing or relocating the nerve, these symptoms can be reduced, enhancing hand usage.

36 services35 patients

Incision of tendon covering of finger 26055

This procedure involves making a small cut into the protective sheath around a finger tendon. It's typically done to relieve pressure or inflammation, improve finger movement, or treat conditions like trigger finger. It's a safe, often outpatient procedure.

28 services25 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nps Associates, LLC's NPI number?

The NPI number for Nps Associates, LLC is 1437477619. It was assigned to this organization in the NPPES registry on May 12, 2010. The provider is doing business as Great Lakes Bay Surgery & Endscopy Center.

Where is Nps Associates, LLC located?

Nps Associates, LLC is located at 4011 Orchard Dr Ste. 3008, Midland, MI 48640. The listed phone number is (989) 839-6636.

What is Nps Associates, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Is Nps Associates, LLC enrolled in Medicare?

Yes. Nps Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nps Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Nps Associates, LLC, in Podiatry and Urology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Nps Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D2009548) is associated with this NPI, valid through July 6, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Nps Associates, LLC accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Nps Associates, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nps Associates, LLC was last updated on May 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.