Mariam Assaad, M.D.
NPI 1548521875 · Internal Medicine Physician · Santa Clarita, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Assaad, M.D. is a Internal Medicine Physician provider in Santa Clarita, CA (NPI 1548521875).
Provider details
- NPI number
- 1548521875
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 332 | 138 |
| Amlodipine Besylate | 231 | 88 |
| Levothyroxine Sodium | 178 | 66 |
| Lisinopril | 176 | 54 |
| Rosuvastatin Calcium | 172 | 71 |
| Losartan Potassium | 135 | 49 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-04
- Last updated
- 2021-12-02
- Certified
- 2021-12-02
Frequently asked questions
- What is Mariam Assaad's NPI number?
- Mariam Assaad's National Provider Identifier (NPI) is 1548521875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Assaad's specialty?
- Mariam Assaad is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Assaad located?
- Mariam Assaad's practice location on file with NPPES is 27107 Tourney Rd, Santa Clarita, CA 91355-1860.
- What is Mariam Assaad's phone number?
- The practice phone number listed in the NPPES registry for Mariam Assaad is (661) 222-2470.
- Does Mariam Assaad accept Medicare?
- Mariam Assaad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Assaad's NPI active?
- Yes — Mariam Assaad's NPI (1548521875) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.