DOWNTOWN MEDICAL GROUP
NPI 1831556778
Clinic/Center - Multi-Specialty in San Francisco, CA
About Downtown Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOWNTOWN MEDICAL GROUP (NPI 1831556778) is a healthcare organization registered as a multi-specialty in San Francisco, California and active in the NPI registry since January 2016. The organization maintains a secondary practice location in San Francisco and lists Elise Grenier, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Downtown Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Downtown Medical Group, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 6
Clinicians, nearest first (10)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 05D0593479
Downtown Medical Group · San Francisco, CAFrequently 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 Officemd, A Medical Corporation's NPI number?
The NPI number for Officemd, A Medical Corporation is 1831556778. It was assigned to this organization in the NPPES registry on January 22, 2016. The provider is doing business as Downtown Medical Group.
Where is Officemd, A Medical Corporation located?
Officemd, A Medical Corporation is located at 490 Post St Ste 900, San Francisco, CA 94102. The listed phone number is (415) 362-7177.
What is Officemd, A Medical Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.
Is Officemd, A Medical Corporation enrolled in Medicare?
Yes. Officemd, A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Officemd, A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 6 Medicare specialties reassign their Medicare billing to Officemd, A Medical Corporation. A 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 the clinician's services. The largest specialties are Family Practice (4), Nurse Practitioner (2) and Emergency Medicine (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Officemd, A Medical Corporation was last updated on June 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Downtown Medical Group · NPI 1831556778
Multi-Specialty organization in San Francisco, California. Organization record, active in the CMS NPPES registry since January 22, 2016.
## Identity
- **NPI:** 1831556778 (Entity type: Organization)
- **Enumerated:** January 22, 2016
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Legal business name:** Officemd, A Medical Corporation
- **Organization subpart:** Yes (part of Officemd)
- **Authorized official:** Elise Grenier, OWNER
## Practice location
- **Address:** 490 POST ST STE 900, San Francisco, CA 94102-1410
- **Phone:** (415) 362-7177 · **Fax:** (415) 962-1317
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (4), Nurse Practitioner (2), Emergency Medicine (1); 4 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 4, 2021
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1831556778) · Data from the CMS NPPES public registry.