Margaret Mack, RN, MSN, FNP
NPI 1851714448 · Family Nurse Practitioner · Carmichael, CA
Margaret Mack, RN, MSN, FNP is a Family Nurse Practitioner provider in Carmichael, CA (NPI 1851714448).
Provider details
- NPI number
- 1851714448
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 23158 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 18 | 17 |
| Oxycodone Hcl | 12 | 12 |
| Metoprolol Tartrate | 11 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-02-02
- Last updated
- 2014-02-02
Frequently asked questions
- What is Margaret Mack's NPI number?
- Margaret Mack's National Provider Identifier (NPI) is 1851714448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mack's specialty?
- Margaret Mack is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mack located?
- Margaret Mack's practice location on file with NPPES is 6501 Coyle Ave, Carmichael, CA 95608-0306.
- What is Margaret Mack's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mack is (916) 864-5584.
- Is Margaret Mack's NPI active?
- Yes — Margaret Mack's NPI (1851714448) is active in the NPPES registry as of the last update on 2014-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.