DR. THOMAS A DEWLAND M.D.
NPI 1811163371
Internal Medicine - Clinical Cardiac Electrophysiology in San Francisco, CA
About Dr. Thomas A Dewland M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS A DEWLAND M.D. (NPI 1811163371) is an individual clinical cardiac electrophysiology provider in San Francisco, California, licensed in California (A103667) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 3
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. Thomas A Dewland 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 Thomas Dewland reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386619344 (California)
- 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 23
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 94143 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.
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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Thomas Dewland's NPI number?
The NPI number for Thomas Dewland is 1811163371. It was assigned to this individual provider in the NPPES registry on May 5, 2008.
Where is Thomas Dewland located?
Thomas Dewland practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-3554.
What is Thomas Dewland's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Thomas Dewland enrolled in Medicare?
Yes. Thomas Dewland 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 Thomas Dewland's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Dewland reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, CA). 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 Thomas Dewland'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 Thomas Dewland was last updated on April 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Thomas A Dewland, M.D. · NPI 1811163371
Clinical Cardiac Electrophysiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 5, 2008.
## Identity
- **NPI:** 1811163371 (Entity type: Individual)
- **Enumerated:** May 5, 2008
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** A103667 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 PARNASSUS AVE, San Francisco, CA 94143-2204
- **Phone:** (415) 353-3554
## 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): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** April 13, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1811163371) · Data from the CMS NPPES public registry.