Allison Diamant, MD
NPI 1467487181 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Diamant, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1467487181).
Provider details
- NPI number
- 1467487181
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G78863 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
161 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 | 71 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 51 | $53 |
| Administration of Influenza Virus VaccineG0008 | 26 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $83 |
Typical Medicare-allowed amounts for these services range $35–$86 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 137 | 56 |
| Levothyroxine Sodium | 52 | 17 |
| Amlodipine Besylate | 40 | 22 |
| Lisinopril | 32 | 16 |
| Metformin Hclbrand: Metformin Hcl Er | 30 | 12 |
| Hydrochlorothiazide | 27 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2010-06-10
Frequently asked questions
- What is Allison Diamant's NPI number?
- Allison Diamant's National Provider Identifier (NPI) is 1467487181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Diamant's specialty?
- Allison Diamant is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Diamant located?
- Allison Diamant's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095-3075.
- What is Allison Diamant's phone number?
- The practice phone number listed in the NPPES registry for Allison Diamant is (310) 206-6232.
- Does Allison Diamant accept Medicare?
- Allison Diamant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Diamant's NPI active?
- Yes — Allison Diamant's NPI (1467487181) is active in the NPPES registry as of the last update on 2010-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.