Ramin Alizadeh, MD
NPI 1659427235 · Internal Medicine Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramin Alizadeh, MD is a Internal Medicine Physician provider in Newport Beach, CA (NPI 1659427235).
Provider details
- NPI number
- 1659427235
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A109070 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,576 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 594 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 290 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 249 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 114 | $16 |
| Automated Urinalysis Test81003 | 92 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 373 | 102 |
| Levothyroxine Sodium | 220 | 55 |
| Gabapentin | 113 | 32 |
| Atorvastatin Calcium | 100 | 30 |
| Tamsulosin Hcl | 98 | 31 |
| Nebivolol Hcl | 96 | 28 |
| Evolocumabbrand: Repatha Sureclick | 93 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2024-04-19
- Certified
- 2024-04-19
Frequently asked questions
- What is Ramin Alizadeh's NPI number?
- Ramin Alizadeh's National Provider Identifier (NPI) is 1659427235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramin Alizadeh's specialty?
- Ramin Alizadeh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ramin Alizadeh located?
- Ramin Alizadeh's practice location on file with NPPES is 400 Newport Center Dr Ste 601, Newport Beach, CA 92660-7685.
- What is Ramin Alizadeh's phone number?
- The practice phone number listed in the NPPES registry for Ramin Alizadeh is (949) 520-7322.
- Does Ramin Alizadeh accept Medicare?
- Ramin Alizadeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramin Alizadeh's NPI active?
- Yes — Ramin Alizadeh's NPI (1659427235) is active in the NPPES registry as of the last update on 2024-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.