TESSA BARKS
NPI 1891430187
Nurse Anesthetist, Certified Registered in Zeeland, MI
- Individual
- Female
- Years of Experience 4
- Nurse Anesthetist, Certified Registered
- Accepts Medicare Approved Payment
About TESSA BARKS
This page provides the complete NPI Profile along with additional information for Tessa Barks, a provider established in Zeeland, Michigan with a medical specialization in Nurse Anesthetist, Certified Registered and more than 4 years of experience. The healthcare provider is registered in the NPI registry with number 1891430187 assigned on May 2022. The practitioner's primary taxonomy code is 367500000X with license number 4704345665 (MI). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1891430187
- Provider Name
- TESSA BARKS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 8333 FELCH ST ZEELAND, MI 49464
- Location Phone
- (616) 935-6200
- Mailing Address
- 100 MICHIGAN ST NE MC 845 GRAND RAPIDS, MI 49503
- Medical School Name
- OTHER
- Graduation Year
- 2023
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-01-2022
- Last Update Date
- 07-13-2026
- 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
Nurse Anesthetist, Certified Registered
- Taxonomy Code
- 367500000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 4704345665
- License State
- MI
- Taxonomy Description
- (1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Medicare Participation & PECOS Enrollment Status
Tessa Barks is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
PECOS PAC ID: 7911439229
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20241011000399
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Find Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Tessa Barks is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| MCLAREN GREATER LANSING | 2900 COLLINS RD LANSING, MI 48910 | (517) 975-6000 | Acute Care Hospitals |
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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 1891430187, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
ZEELAND, MI 49464
ZEELAND, MI 49464
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891430187, enumerated as an "individual" on May 01, 2022.
The provider is located at 8333 FELCH ST ZEELAND, MI 49464 and the phone number is (616) 935-6200.
Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Tessa Barks is affiliated with: MCLAREN GREATER LANSING.
