CATHERINE LOUISE ASH (M.D.) – Internal Medicine Physician, NPI 1861874059

CATHERINE LOUISE ASH (M.D.) is a healthcare provider. based in Saint louis, Missouri. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 2018022561 (MO). The NPI Number for CATHERINE LOUISE ASH (M.D.) is 1861874059

Main info

Female
Sole Proprietor
11 Years Of Experience
Accepts Medicare Assignment
Name
CATHERINE LOUISE ASH (M.D.)
NPI
1861874059
Phone
(618) 800-4500
Address
'PO BOX 959203 ST LOUIS MO 63195'
Enumeration Date
24 June 2015
Last Update Date
18 December 2025

Doctor Profile

Medical School Name
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
2015 (11 years ago)
PAC ID
4284942806
Group Practice PAC ID
1153232038
Professional Enrollment ID
I20260415001953
Address ID
MO631303001SA7212XAVEX300
Telehealth
Yes

Contacts

FHIR Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience53
Completeness95
Years active:10State licenses:2Other names

8,824 INTERNAL MEDICINE in IL

Provider Addresses for CATHERINE LOUISE ASH (M.D.)

  • 'PO BOX 959203 ST LOUIS MO 63195'

    SAINT LOUIS, MO 631950001

    Phone: (618) 800-4500

    Fax: (618) 800-4501

    Type: Mailing

  • 2122 TROY RD STE 130

    EDWARDSVILLE, IL 620252540

    Phone: (618) 800-4500

    Fax: (618) 800-4501

    Type: Location

  • 6435 CHIPPEWA ST

    SAINT LOUIS, MO 631092104

    Phone: (314) 366-3000

    Fax: (314) 366-3001

    Type: Mailing

  • 6435 Chippewa St

    Saint Louis, MO 63109

    Phone: (314) 366-3000

    Fax: (314) 366-3001

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $177.

Total Amount is formed as General ($177) + Research ($0) + Ownership ($0) = $177.

Last reported payment date: 2024-08-22 • Largest payer in this snapshot: ABBVIE INC. ($102).

Total Amount

$177

General + Research + Ownership

Payments

7

Total payment records

General Amount

$177

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-22

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2018-08-07

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20180807003033IInternal MedicineMOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes11086$0
36415Insertion of needle into vein for collection of blood sample7862$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit3939$0
99213Established patient office or other outpatient visit, 20-29 minutes3831$0
99215Established patient office or other outpatient visit, 40-54 minutes3225$0
View full utilization report →

Insurance plans in this area (ZIP 63195)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1153232038View full group profile
NameSpecialtyState
Family PracticeMO
Internal Medicine, Sleep MedicineMO
Internal Medicine, Allergy/ImmunologyMO
Internal MedicineMO
Geriatric MedicineMO
Internal MedicineMO
Osteopathic Manipulative MedicineMO
Orthopedic SurgeryMO
Internal Medicine, Pediatric MedicineMO
-MO

Reviews

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Frequently asked questions

What is the standard ID for CATHERINE LOUISE ASH (M.D.) in the U.S.?
In the U.S., CATHERINE LOUISE ASH (M.D.) is identified by NPI 1861874059.
Is CATHERINE LOUISE ASH (M.D.) currently accepting referrals based on NPI status?
Registry metadata lists CATHERINE LOUISE ASH (M.D.) as active.
Which specialty label fits CATHERINE LOUISE ASH (M.D.)?
NPPES ties CATHERINE LOUISE ASH (M.D.) to Internal Medicine Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to CATHERINE LOUISE ASH (M.D.)?
CATHERINE LOUISE ASH (M.D.) shows a connection to Saint Louis, Missouri in registry-derived data.
Who maintains CATHERINE LOUISE ASH (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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