REBECCA SUZANNE RATNAM M.D.
NPI 1619295805
Hospitalist in Denver, CO
About Rebecca Suzanne Ratnam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA SUZANNE RATNAM M.D. (NPI 1619295805) is an individual hospitalist provider in Denver, Colorado, licensed in Colorado (48848) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
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
Rebecca Suzanne Ratnam M.d. 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 Reassignment
Medicare enrollment records show Rebecca Ratnam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80218
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 Rebecca Ratnam's NPI number?
The NPI number for Rebecca Ratnam is 1619295805. It was assigned to this individual provider in the NPPES registry on May 12, 2010.
Where is Rebecca Ratnam located?
Rebecca Ratnam practices at 1835 N Franklin St 5 South Tower #530, Denver, CO 80218. The listed phone number is (303) 866-8444.
What is Rebecca Ratnam's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Rebecca Ratnam enrolled in Medicare?
Yes. Rebecca Ratnam 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 Rebecca Ratnam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Ratnam reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). 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 Rebecca Ratnam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rebecca Ratnam was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Rebecca Suzanne Ratnam, M.D. · NPI 1619295805
Hospitalist physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since May 12, 2010.
## Identity
- **NPI:** 1619295805 (Entity type: Individual)
- **Enumerated:** May 12, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 48848 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1835 N FRANKLIN ST, 5 SOUTH TOWER #530, Denver, CO 80218-1126
- **Phone:** (303) 866-8444 · **Fax:** (303) 866-8446
## 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:** Southern California Permanente Medical Group (NPI 1982863783, Lancaster, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1619295805) · Data from the CMS NPPES public registry.