NATARAJAN RAVENDHRAN M.D.
NPI 1821071069
Internal Medicine - Gastroenterology in Catonsville, MD
About Natarajan Ravendhran M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATARAJAN RAVENDHRAN M.D. (NPI 1821071069) is an individual gastroenterology provider in Catonsville, Maryland, licensed in Maryland (D19648) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Natarajan Ravendhran M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Natarajan Ravendhran reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21228
- Reassigned Medicare billing, Maryland enrollment
- 96 clinicians in this Medicare group
Columbia, MD 21044
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 14 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 55 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 8
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21228 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
CATONSVILLE, MD 21228
CATONSVILLE, MD 21228
CATONSVILLE, MD 21228
CATONSVILLE, MD 21228
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 Natarajan Ravendhran's NPI number?
The NPI number for Natarajan Ravendhran is 1821071069. It was assigned to this individual provider in the NPPES registry on November 22, 2005.
Where is Natarajan Ravendhran located?
Natarajan Ravendhran practices at 700 Geipe Rd Ste 230, Catonsville, MD 21228. The listed phone number is (410) 247-7500.
What is Natarajan Ravendhran's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Natarajan Ravendhran enrolled in Medicare?
Yes. Natarajan Ravendhran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Natarajan Ravendhran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natarajan Ravendhran reassigns Medicare benefits to 4 organizations: Digestive Disease Associates, LLC (Baltimore, MD), Johns Hopkins University (Columbia, MD), Johns Hopkins University (Baltimore, MD) and Chesapeake Digestive Associates, PC (Annapolis, MD). 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 Natarajan Ravendhran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Natarajan Ravendhran affiliated with any hospitals?
According to CMS data, Natarajan Ravendhran is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Natarajan Ravendhran was last updated on August 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Natarajan Ravendhran, M.D. · NPI 1821071069
Gastroenterology physician in Catonsville, Maryland. Individual provider, active in the CMS NPPES registry since November 22, 2005.
## Identity
- **NPI:** 1821071069 (Entity type: Individual)
- **Enumerated:** November 22, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D19648 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 GEIPE RD, STE 230, Catonsville, MD 21228-4147
- **Phone:** (410) 247-7500 · **Fax:** (410) 247-4227
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Digestive Disease Associates, LLC (NPI 1407400955, Baltimore, MD); Johns Hopkins University (NPI 1285453795, Columbia, MD); Johns Hopkins University (NPI 1063917326, Baltimore, MD); Chesapeake Digestive Associates, PC (NPI 1023765625, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1973
## Record status
- **NPPES last updated:** August 8, 2014
- **Other identifiers:** Medicare UPIN B68010; Medicare PIN KN14661N (MD); Medicaid 256751200 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1821071069) · Data from the CMS NPPES public registry.