What is Karen Walch's NPI number?

Karen Walch's National Provider Identifier (NPI) is 1871445320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Walch's specialty?

Karen Walch is listed in the NPPES registry with a primary specialty of Ambulatory Care Pharmacist (Pharmacy Service Providers).

Where is Karen Walch located?

Karen Walch's practice location on file with NPPES is 3023 N Ballas Rd Ste 100d, Saint Louis, MO 63131-2330.

What is Karen Walch's phone number?

The practice phone number listed in the NPPES registry for Karen Walch is (314) 657-9008.

Is Karen Walch's NPI active?

Yes — Karen Walch's NPI (1871445320) is active in the NPPES registry as of the last update on 2026-02-09.

IndividualActive

Karen Walch, RPH

NPI 1871445320 · Ambulatory Care Pharmacist · Saint Louis, MO

Karen Walch, RPH is a Ambulatory Care Pharmacist provider in Saint Louis, MO (NPI 1871445320).

Provider details

NPI number: 1871445320
Entity type: Individual
Primary specialty: Ambulatory Care PharmacistPharmacy Service Providers
Credential: RPH
Sex: Female
Sole proprietor: Yes
License: 044527 (MO)

Specialties & taxonomies

Ambulatory Care PharmacistPrimary1835P2201XLicense 296559 (IL)
Pharmacy Service Providers
Ambulatory Care Pharmacist1835P2201XLicense 044527 (MO)
Pharmacy Service Providers

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
7 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3023 N Ballas Rd Ste 100d

Saint Louis, MO 63131-2330

Phone: (314) 657-9008

Fax: (314) 921-7502

Street-level locationGet directions

More MO providers

Mailing address

14500 Sinks Rd

Florissant, MO 63034-1721

Additional practice locations (6)

1 Memorial Dr
Alton, IL 62002-6722
Phone: (314) 657-9001
Fax: (618) 463-7424
1101 W Liberty St
Farmington, MO 63640-1921
Phone: (314) 657-9011
1 Childrens Pl
Saint Louis, MO 63110-1002
Phone: (314) 657-9005
Fax: (314) 454-4374
1234 S Kingshighway Blvd Ste 1900
Saint Louis, MO 63110-2182
Phone: (314) 657-9012
Fax: (314) 525-0417
4921 Parkview Pl Fl 3
Saint Louis, MO 63110-1032
Phone: (314) 657-9006
11125 Dunn Rd
Saint Louis, MO 63136-6132
Phone: (314) 657-9002
Fax: (314) 653-4431

Enumerated: 2026-02-09
Last updated: 2026-02-09
Certified: 2026-02-09

Frequently asked questions

What is Karen Walch's NPI number?: Karen Walch's National Provider Identifier (NPI) is 1871445320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Karen Walch's specialty?: Karen Walch is listed in the NPPES registry with a primary specialty of Ambulatory Care Pharmacist (Pharmacy Service Providers).
Where is Karen Walch located?: Karen Walch's practice location on file with NPPES is 3023 N Ballas Rd Ste 100d, Saint Louis, MO 63131-2330.
What is Karen Walch's phone number?: The practice phone number listed in the NPPES registry for Karen Walch is (314) 657-9008.
Is Karen Walch's NPI active?: Yes — Karen Walch's NPI (1871445320) is active in the NPPES registry as of the last update on 2026-02-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.