Ali Jafferi, M.D.
NPI 1912042235 · Internal Medicine Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ali Jafferi, M.D. is a Internal Medicine Physician provider in Lancaster, CA (NPI 1912042235).
Provider details
- NPI number
- 1912042235
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A54961 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
491 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 103 | $9 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 64 | $68 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 52 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $99 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 45 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 154 | 42 |
| Benazepril Hcl | 129 | 34 |
| Metformin Hcl | 128 | 41 |
| Pravastatin Sodium | 80 | 22 |
| Atorvastatin Calcium | 69 | 26 |
| Hydrochlorothiazide | 60 | 16 |
| Simvastatin | 53 | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 44900 60th St WLancaster, CA 93536Phone: (661) 948-8581Fax: (661) 945-8474
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2021-04-14
- Certified
- 2021-04-14
Frequently asked questions
- What is Ali Jafferi's NPI number?
- Ali Jafferi's National Provider Identifier (NPI) is 1912042235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ali Jafferi's specialty?
- Ali Jafferi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ali Jafferi located?
- Ali Jafferi's practice location on file with NPPES is 44900 60th St W, Lancaster, CA 93536-7618.
- What is Ali Jafferi's phone number?
- The practice phone number listed in the NPPES registry for Ali Jafferi is (661) 948-8581.
- Does Ali Jafferi accept Medicare?
- Ali Jafferi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ali Jafferi's NPI active?
- Yes — Ali Jafferi's NPI (1912042235) is active in the NPPES registry as of the last update on 2021-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.