Aaron Richler, M.D.
NPI 1619350337 · Nephrology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Richler, M.D. is a Nephrology Physician provider in Los Alamitos, CA (NPI 1619350337).
Provider details
- NPI number
- 1619350337
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 289590 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
3,948 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 3,601 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 220 | $179 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 114 | $119 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 13 | $79 |
Typical Medicare-allowed amounts for these services range $79–$179 (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 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 143 | 32 |
| Tamsulosin Hcl | 75 | 13 |
| Furosemide | 70 | 19 |
| Amlodipine Besylate | 69 | 22 |
| Metoprolol Tartrate | 58 | 14 |
| Losartan Potassium | 52 | 16 |
| Gabapentin | 46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-30
- Last updated
- 2022-06-14
- Certified
- 2022-06-14
Frequently asked questions
- What is Aaron Richler's NPI number?
- Aaron Richler's National Provider Identifier (NPI) is 1619350337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Richler's specialty?
- Aaron Richler is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Richler located?
- Aaron Richler's practice location on file with NPPES is 10941 Bloomfield St, Los Alamitos, CA 90720-2530.
- What is Aaron Richler's phone number?
- The practice phone number listed in the NPPES registry for Aaron Richler is (562) 596-1667.
- Does Aaron Richler accept Medicare?
- Aaron Richler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Richler's NPI active?
- Yes — Aaron Richler's NPI (1619350337) is active in the NPPES registry as of the last update on 2022-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.