Margaret Dann, RN, MSN, FPMHNP-BC
NPI 1891028213 · Psychiatric/Mental Health Nurse Practitioner · Greenbrae, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Dann, RN, MSN, FPMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Greenbrae, CA (NPI 1891028213).
Provider details
- NPI number
- 1891028213
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, FPMHNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 755079 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
36 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $141 |
Typical Medicare-allowed amounts for these services range $141–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 31 |
| Quetiapine Fumarate | 28 |
| Aripiprazolebrand: Abilify Maintena | 25 |
| Aripiprazole | 24 |
| Paliperidone Palmitatebrand: Invega Sustenna | 22 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 21 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-09-16
- Last updated
- 2014-10-02
Frequently asked questions
- What is Margaret Dann's NPI number?
- Margaret Dann's National Provider Identifier (NPI) is 1891028213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Dann's specialty?
- Margaret Dann is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Dann located?
- Margaret Dann's practice location on file with NPPES is 250 Bon Air Rd, Greenbrae, CA 94904-1702.
- What is Margaret Dann's phone number?
- The practice phone number listed in the NPPES registry for Margaret Dann is (415) 473-2538.
- Does Margaret Dann accept Medicare?
- Margaret Dann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Dann's NPI active?
- Yes — Margaret Dann's NPI (1891028213) is active in the NPPES registry as of the last update on 2014-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.