MONTEREY PENINSULA SURGERY CENTER LLC
NPI 1104850312
Clinic/Center - Ambulatory Surgical in Monterey, CA

NPI Status: Active since July 11, 2006

Contact Information

966 CASS ST STE 150
MONTEREY, CA
ZIP 93940
Phone: (831) 372-2169
Fax: (831) 372-6323

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 05D2001875
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 01-03-2028

About MONTEREY PENINSULA SURGERY CENTER LLC

This page provides the complete NPI Profile along with additional information for Monterey Peninsula Surgery Center Llc, a provider established in Monterey, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1104850312 assigned on July 2006. The practitioner's primary taxonomy code is 261QA1903X with license number 070000398 (CA). The provider is registered as an organization and their NPI record was last updated December 2025. The authorized official of this NPI record is Ms. Carrie Millsap (Ceo)

NPI
1104850312
Provider Name
MONTEREY PENINSULA SURGERY CENTER LLC
Entity Type
Organization
Location Address
966 CASS ST STE 150 MONTEREY, CA 93940
Location Phone
(831) 372-2169
Location Fax
(831) 372-6323
Mailing Address
966 CASS ST STE 150 MONTEREY, CA 93940
Mailing Phone
(831) 372-2169
Mailing Fax
(831) 372-6323
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-11-2006
Last Update Date
12-30-2025
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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
License No.
070000398
License State
CA

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. CARRIE MILLSAP

Authorized Official Title
CEO
Authorized Official Phone
(831) 372-2169

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
SUR01028GMEDICAID (05)CA 

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.

Biopsy or removal of deep lymph nodes of underarm

A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.

This service was performed 14 times for 14 patients

Complete laser vaporization of prostate including control of bleeding using an endoscope

This procedure involves using a special light instrument to carefully remove tissue from a gland located in the lower body. This helps improve the flow of body fluids. The process is done through a tube-like device and also controls any bleeding.

This service was performed 11 times for 11 patients

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 35 times for 27 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

This service was performed 46 times for 30 patients

Dilation of fluid outflow drainage within eye

Dilation to improve eye fluid flow is a process where eye drops are used to widen or dilate your pupils. This allows more fluid to flow out of the eye, reducing pressure and helping to prevent or treat conditions like glaucoma.

This service was performed 31 times for 22 patients

Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye

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 28 times for 19 patients

High-intensity ultrasound destruction of cancerous tissue in prostate gland, accessed through rectum using ultrasound guidance

This is a non-invasive procedure where high-intensity sound waves are directed to the affected area in the lower body to destroy unhealthy tissue. It's done via a probe inserted through a natural body opening, using sound wave images for precision.

This service was performed 11 times for 11 patients

Incision of tissue of forearm and/or wrist muscle compartment on one side of the forearm to relieve pressure, without removal of tissue

This procedure involves making a small cut in the forearm or wrist muscle compartment on one side. This is done to alleviate pressure, potentially improving blood flow and reducing pain or swelling. No tissue is removed during this process.

This service was performed 71 times for 64 patients

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

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.

This service was performed 79 times for 61 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

This service was performed 75 times for 43 patients

Injection of substance into lower spine canal using imaging guidance

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

This service was performed 30 times for 27 patients

Insertion of spinal neurostimulator electrode array through skin

This procedure involves placing a small device, called a neurostimulator electrode array, under your skin near your spine. It delivers mild electrical signals to your spinal cord, helping to manage chronic pain.

This service was performed 33 times for 12 patients

Insertion of spinal neurostimulator generator or receiver

The insertion of a spinal neurostimulator generator or receiver is a procedure to manage chronic pain. A small device is implanted under your skin, which sends mild electrical signals to your spinal cord. These signals disrupt pain signals, helping to reduce discomfort.

This service was performed 12 times for 11 patients

Partial removal of breast

A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.

This service was performed 61 times for 58 patients

Release of wrist ligament using an endoscope

This procedure involves using a small camera, called an endoscope, to view and treat a tight wrist ligament. The endoscope is inserted through a tiny incision, reducing recovery time and scarring. It helps to relieve pain and improve wrist function.

This service was performed 72 times for 65 patients

Removal of bone from lower spine for decompression of nerve tissue using imaging guidance, accessed through the skin

This procedure involves removing a small portion of bone from your lower spine. The goal is to relieve pressure on your nerve tissue, improving comfort and mobility. It is done through the skin using imaging technology to ensure precision and safety.

This service was performed 11 times for 11 patients

Removal of both knee cartilages using an endoscope

This procedure, also known as bilateral knee arthroscopy, involves using a small camera (endoscope) to view and remove damaged cartilage from both knees. It's a minimally invasive surgery aimed at relieving pain and improving mobility.

This service was performed 27 times for 26 patients

Removal of capsule around breast implant

This procedure involves removing the protective layer around a breast implant, often due to complications such as hardening or displacement. It's a surgical process performed under anesthesia, aiming to improve comfort and aesthetic appearance.

This service was performed 24 times for 12 patients

Removal of cataract with insertion of prosthetic lens

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.

This service was performed 492 times for 309 patients

Removal of excessive skin and fat of upper eyelid

This procedure, also known as upper eyelid surgery, is performed to remove excess skin and fat from the upper eyelid. It can help improve vision if heavy eyelids hinder it, and can also enhance the appearance of the eyes. It's a common, safe procedure.

This service was performed 28 times for 14 patients

Removal of extensive shoulder joint tissue using an endoscope

This procedure, known as arthroscopic debridement, involves using a small camera (endoscope) to view your shoulder joint. Damaged or unwanted tissue is then carefully removed. This minimally invasive technique aims to reduce pain and improve joint mobility.

This service was performed 12 times for 12 patients

Removal of nasal air passage under lining tissue

This procedure, often done to improve breathing or address sinus issues, involves the removal of tissue from the lining of the nasal air passage. It's performed under anesthesia and recovery time varies based on individual health status.

This service was performed 39 times for 20 patients

Removal of nasal sinus tissue using an endoscope

This procedure, known as endoscopic sinus surgery, involves using a thin, flexible tube with a light and camera to view and remove problematic nasal sinus tissue. It helps to alleviate sinus issues and improve breathing.

This service was performed 28 times for 19 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 44 times for 36 patients

Removal or destruction of growth of nose through nose

This procedure involves removing or destroying a growth in the nose. It's done through the nostrils, so no external cuts are made. The growth could be a polyp, cyst, or other abnormal tissue. It helps improve breathing and reduces discomfort or other symptoms caused by the growth.

This service was performed 24 times for 13 patients

Repair of wound of trunk by transferring skin, 10.1-30.0 sq cm

This procedure involves treating a wound on the body by moving skin from one area to another. The transferred skin, ranging from 10.1-30.0 sq cm, helps cover and heal the wound. It's a common way to promote healing for large or deep wounds.

This service was performed 50 times for 50 patients

Reshaping of nasal cartilage

Reshaping of nasal cartilage, also known as rhinoplasty, is a surgical procedure to modify the structure of the nose for aesthetic or functional purposes. It involves adjusting the cartilage and bone in the nose to achieve the desired shape or to improve breathing.

This service was performed 25 times for 25 patients

CLIA 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
05D2001875
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
January 04, 2026
Certificate Expiration Date
January 03, 2028
Laboratory Director
DAVID C. AWERBUCK MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Monterey Peninsula Surgery 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 1104850312, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
2
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 0 → 0 8 → 16 → 7 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 0 + 4 + 1 + 6 + 5 + 0 + 3 + 2 + 24 = 48

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1104850312.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Anesthesiology
966 CASS ST STE 150
MONTEREY, CA 93940
Clinic/Center (Ambulatory Surgical)
966 CASS ST STE 150
MONTEREY, CA 93940

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104850312, enumerated as an "organization" on July 11, 2006.

The provider is located at 966 CASS ST STE 150 MONTEREY, CA 93940 and the phone number is (831) 372-2169.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.