SARAH M WILMSMEYER PA-C
NPI 1205009552
Physician Assistant - Medical in Chesterfield, MO

NPI Status: Active since April 08, 2008

Contact Information

15740 S OUTER 40 RD
CHESTERFIELD, MO
ZIP 63017
Phone: (636) 237-4700
Fax: (314) 364-6350

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  • Individual
  • Female
  • Physician Assistant
  • Medical
  • PECOS Enrolled

About SARAH WILMSMEYER

This page provides the complete NPI Profile along with additional information for Sarah Wilmsmeyer, a primary care provider established in Chesterfield, Missouri with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1205009552 assigned on April 2008. The practitioner's primary taxonomy code is 363AM0700X with license number 2006034493 (MO). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1205009552
Provider Name
SARAH M WILMSMEYER PA-C
Gender
Female
Entity Type
Individual
Location Address
15740 S OUTER 40 RD CHESTERFIELD, MO 63017
Location Phone
(636) 237-4700
Location Fax
(314) 364-6350
Mailing Address
15740 S OUTER 40 RD CHESTERFIELD, MO 63017
Mailing Phone
(636) 237-4700
Mailing Fax
(314) 364-6350
Is Sole Proprietor?
No
Enumeration Date
04-08-2008
Last Update Date
12-31-2025
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A primary care provider (PCP) like Sarah Wilmsmeyer sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
2006034493
License State
MO

Medicare Participation & PECOS Enrollment Status

Sarah Wilmsmeyer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1205009552, 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
2
Unchanged
Pos 3
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 0 + 5 + 0 + 0 + 1 + 8 + 5 + 1 + 0 + 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 1205009552.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Critical Care Medicine)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Primary Care)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Adult Health)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Physician Assistant (Surgical)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Emergency Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Emergency Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Social Worker (Clinical)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Family Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Physician Assistant
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Dietitian, Registered
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Social Worker
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Internal Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Internal Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Family Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205009552, enumerated as an "individual" on April 08, 2008.

The provider is located at 15740 S OUTER 40 RD CHESTERFIELD, MO 63017 and the phone number is (636) 237-4700.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.