Michael Mellman, MEDICAL DOCTOR
NPI 1427083450 · Internal Medicine Physician · El Segundo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mellman, MEDICAL DOCTOR is a Internal Medicine Physician provider in El Segundo, CA (NPI 1427083450).
Provider details
- NPI number
- 1427083450
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MEDICAL DOCTOR
- Sex
- Male
- Sole proprietor
- Yes
- License
- G39340 (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
4,550 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,134 | $68 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 524 | $53 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 414 | $9 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 348 | $140 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 341 | $16 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 321 | 88 |
| Metformin Hcl | 245 | 67 |
| Amlodipine Besylate | 186 | 56 |
| Irbesartan | 184 | 49 |
| Levothyroxine Sodium | 163 | 46 |
| Zolpidem Tartrate | 127 | 34 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 9 records (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
- 2006-07-11
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is Michael Mellman's NPI number?
- Michael Mellman's National Provider Identifier (NPI) is 1427083450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mellman's specialty?
- Michael Mellman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mellman located?
- Michael Mellman's practice location on file with NPPES is 390 N Pacific Coast Hwy Ste 1065, El Segundo, CA 90245-4483.
- What is Michael Mellman's phone number?
- The practice phone number listed in the NPPES registry for Michael Mellman is (310) 643-7494.
- Does Michael Mellman accept Medicare?
- Michael Mellman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mellman's NPI active?
- Yes — Michael Mellman's NPI (1427083450) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.