Mark Ralph, MD
NPI 1730600388 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ralph, MD is a Family Medicine Physician provider in Los Angeles, CA (NPI 1730600388).
Provider details
- NPI number
- 1730600388
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301113221 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 28 |
| Metformin Hcl | 52 | 23 |
| Amlodipine Besylate | 50 | 21 |
| Losartan Potassium | 37 | 19 |
| Lisinopril | 25 | 11 |
| Ibuprofen | 21 | — |
| Omeprazole | 20 |
Practice location
Mailing address
Additional practice locations (1)
- 1 Genesys PkwyGrand Blanc, MI 48439-8065Phone: (810) 606-5126
Registry dates
- Enumerated
- 2017-07-05
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Mark Ralph's NPI number?
- Mark Ralph's National Provider Identifier (NPI) is 1730600388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ralph's specialty?
- Mark Ralph is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ralph located?
- Mark Ralph's practice location on file with NPPES is 808 W 58th St, Los Angeles, CA 90037-3632.
- What is Mark Ralph's phone number?
- The practice phone number listed in the NPPES registry for Mark Ralph is (323) 541-1411.
- Does Mark Ralph accept Medicare?
- Mark Ralph is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ralph's NPI active?
- Yes — Mark Ralph's NPI (1730600388) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.