MRS. KRISTEN DOHERTY AA-C
NPI 1780005488
Anesthesiologist Assistant in St. Louis, MO

Q: What is Kristen Doherty's NPI number?

The NPI number for Kristen Doherty is 1780005488. It was assigned to this individual provider in the NPPES registry on December 23, 2013. The provider is also known as Miss Kristen Dell Aa-C.

Q: What is Kristen Doherty's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Q: When was this NPI record last updated?

The NPPES record for Kristen Doherty was last updated on October 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since December 23, 2013Accepts Medicare Assignment

615 S. NEW BALLAS RD., DEPT. OF ANESTHESIOLOGY, ST. LOUIS, MO 63141(314) 251-4687(636) 386-7679 Get Directions Write a Review

NPPES record last updated: October 15, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mrs. Kristen Doherty Aa-c NPPES

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

MRS. KRISTEN DOHERTY AA-C (NPI 1780005488) is an individual anesthesiologist assistant in St. Louis, Missouri, licensed in Missouri (2014016080) and active in the NPI registry since December 2013. She is affiliated with Mercy Hospital St Louis and is a graduate of Other (2014).

NPPES Registry Identity

NPI1780005488

Entity TypeIndividualFemale

Primary Taxonomy367H00000X

Provider Legal NameMRS. KRISTEN DOHERTYCredential: AA-C

Location Address615 S. NEW BALLAS RD., DEPT. OF ANESTHESIOLOGYSt. Louis, MO 63141

Mailing Address339 Consort DrBallwin, MO 63011-4439 · (636) 386-9224 · Fax (636) 386-7679

Phone(314) 251-4687

Fax(636) 386-7679

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateDecember 23, 2013

Last NPPES UpdateOctober 15, 2015

✔ NPI 1780005488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in MO · 2014016080

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

615 S. NEW BALLAS RD., St. Louis, MO 63141

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Other Names 1

Former Name (1)Miss Kristen Dell Aa-c

Other Identifiers 1

Medicare PIN600290052MO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Kristen Doherty Aa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335364983

PECOS Enrollment IDI20140715002242

Medicare Billing Reassignment

Medicare enrollment records show Kristen Doherty reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Anesthesiology Associates, Inc.

Same address

Anesthesiology

615 S NEW BALLAS RD, DEPT. OF ANESTHESIA
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
309 clinicians in this Medicare group

NPI 1275646754 (636) 386-9224

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. RYAN WALSINGHAM AA

Anesthesiologist Assistant

615 S. NEW BALLAS RD.
ST LOUIS, MO 63141

St. Louis County (636) 386-9224

DR. GEORGE D. LAPPAS M.D.

Anesthesiology

615 S. NEW BALLAS RD., DEPT. OF ANESTHESIA
ST. LOUIS, MO 63141

St. Louis County (636) 386-9224

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 Kristen Doherty's NPI number?

The NPI number for Kristen Doherty is 1780005488. It was assigned to this individual provider in the NPPES registry on December 23, 2013. The provider is also known as Miss Kristen Dell Aa-C.

Where is Kristen Doherty located?

Kristen Doherty practices at 615 S. New Ballas Rd. Dept. Of Anesthesiology, St. Louis, MO 63141. The listed phone number is (314) 251-4687.

What is Kristen Doherty's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Kristen Doherty enrolled in Medicare?

Yes. Kristen Doherty is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Kristen Doherty's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Doherty reassigns Medicare benefits to Western Anesthesiology Associates, Inc. (Saint Louis, MO). The 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 Kristen Doherty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kristen Doherty affiliated with any hospitals?

According to CMS data, Kristen Doherty is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Kristen Doherty was last updated on October 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.