ANUP KATYAL MD
NPI 1104858265
Internal Medicine in Saint Louis, MO
About Anup Katyal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANUP KATYAL MD (NPI 1104858265) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (103188) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Hshs St Elizabeth's Hospital, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Anup Katyal Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Anup Katyal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 26 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 77 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILMercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 14
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Anup Katyal's NPI number?
The NPI number for Anup Katyal is 1104858265. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Anup Katyal located?
Anup Katyal practices at 621 S New Ballas Rd Suite 4006-B, Saint Louis, MO 63141. The listed phone number is (314) 251-6486.
What is Anup Katyal's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anup Katyal enrolled in Medicare?
Yes. Anup Katyal 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 organizations bill Medicare for Anup Katyal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anup Katyal reassigns Medicare benefits to 3 organizations: Mercy Clinic Pulmonology - St. Louis, LLC (Saint Louis, MO), Mercy Clinic Adult Critical Care, LLC (Saint Louis, MO) and Mercy Aco Clinical Services Inc (Chesterfield, MO). Each 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 Anup Katyal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anup Katyal accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Anup Katyal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Anup Katyal affiliated with any hospitals?
According to CMS data, Anup Katyal is affiliated with Hshs St Elizabeth's Hospital and Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Anup Katyal was last updated on December 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Anup Katyal, MD · NPI 1104858265
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 7, 2006.
## Identity
- **NPI:** 1104858265 (Entity type: Individual)
- **Enumerated:** July 7, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 103188 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 621 S NEW BALLAS RD, SUITE 4006-B, Saint Louis, MO 63141-8232
- **Phone:** (314) 251-6486 · **Fax:** (314) 251-4155
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Pulmonology - St. Louis, LLC (NPI 1821137886, Saint Louis, MO); Mercy Clinic Adult Critical Care, LLC (NPI 1730119421, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** December 21, 2011
- **Other identifiers:** Medicare UPIN G37518 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1104858265) · Data from the CMS NPPES public registry.