MARGARET RL DANN RN, MSN, FPMHNP-BC
NPI 1891028213
Nurse Practitioner - Psychiatric/Mental Health in Greenbrae, CA
About Margaret Rl Dann Rn, Msn, Fpmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET RL DANN RN, MSN, FPMHNP-BC (NPI 1891028213) is an individual psychiatric/mental health provider in Greenbrae, California, licensed in California (21121) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Margaret Rl Dann Rn, Msn, Fpmhnp-bc 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
2Medicare enrollment records show Margaret Dann reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 1,573 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 94904 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.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Margaret Dann's NPI number?
The NPI number for Margaret Dann is 1891028213. It was assigned to this individual provider in the NPPES registry on September 16, 2009.
Where is Margaret Dann located?
Margaret Dann practices at 250 Bon Air Rd Suite 2432, Greenbrae, CA 94904. The listed phone number is (415) 473-2538.
What is Margaret Dann's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Margaret Dann enrolled in Medicare?
Yes. Margaret Dann 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 Margaret Dann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Dann reassigns Medicare benefits to 2 organizations: County Of Marin (Greenbrae, CA) and City & County Of San Francisco (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 Margaret Dann'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 Margaret Dann was last updated on October 2, 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.
# Margaret Rl Dann, RN, MSN, FPMHNP-BC · NPI 1891028213
Psychiatric/Mental Health physician in Greenbrae, California. Individual provider, active in the CMS NPPES registry since September 16, 2009.
## Identity
- **NPI:** 1891028213 (Entity type: Individual)
- **Enumerated:** September 16, 2009
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 21121 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 250 BON AIR RD, SUITE 2432, Greenbrae, CA 94904-1702
- **Phone:** (415) 473-2538 · **Fax:** (415) 473-6033
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Marin (NPI 1568525699, Greenbrae, CA); City & County Of San Francisco (NPI 1023579356, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** October 2, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1891028213) · Data from the CMS NPPES public registry.