DR. RICHARD ALAN OTT M.D.
NPI 1821004144
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Anaheim, CA
About Dr. Richard Alan Ott M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RICHARD ALAN OTT M.D. (NPI 1821004144) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Anaheim, California, licensed in California (G45864) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 4
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
Dr. Richard Alan Ott 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 Reassignments
4Medicare enrollment records show Richard Ott reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
Palm Springs, CA 92262
- Reassigned Medicare billing, California enrollment
- 595 clinicians in this Medicare group
Hamilton, MT 59840
- Reassigned Medicare billing, Montana enrollment
- 325 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 637 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 92801 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Richard Ott's NPI number?
The NPI number for Richard Ott is 1821004144. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Richard Ott located?
Richard Ott practices at 1211 W La Palma Ave Ste 608, Anaheim, CA 92801. The listed phone number is (714) 774-1102.
What is Richard Ott's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Richard Ott enrolled in Medicare?
Yes. Richard Ott 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 Richard Ott's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Ott reassigns Medicare benefits to 4 organizations: Richard A. Ott, MD, Inc. (Anaheim, CA), Eisenhower Medical Center (Palm Springs, CA), Providence Health & Services Mt (Hamilton, MT) and Benefis Hospitals Inc (Great Falls, MT). 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 Richard Ott's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Ott accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Richard Ott 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.
When was this NPI record last updated?
The NPPES record for Richard Ott was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. Richard Alan Ott, M.D. · NPI 1821004144
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Anaheim, California. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1821004144 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** G45864 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1211 W LA PALMA AVE STE 608, Anaheim, CA 92801-2813
- **Phone:** (714) 774-1102 · **Fax:** (949) 459-0100
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Richard A. Ott, MD, Inc. (NPI 1346469020, Anaheim, CA); Eisenhower Medical Center (NPI 1346723194, Palm Springs, CA); Providence Health & Services Mt (NPI 1821235599, Hamilton, MT); Benefis Hospitals Inc (NPI 1780968974, Great Falls, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** July 21, 2026
- **Other identifiers:** Other 04242007489190 (CA); Other GR0095360 (CA); Medicaid GR0095360 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821004144) · Data from the CMS NPPES public registry.