Donald Nortman, MD
NPI 1780739896 · Nephrology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Nortman, MD is a Nephrology Physician provider in Los Angeles, CA (NPI 1780739896).
Provider details
- NPI number
- 1780739896
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G34241 (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
5,743 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 | 403 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 388 | $9 |
| Phosphate Level84100 | 362 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 361 | $10 |
| Magnesium Level83735 | 361 | $7 |
| Uric Acid Level, Blood84550 | 355 | $4 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 108 | 26 |
| Amlodipine Besylate | 105 | 23 |
| Atorvastatin Calcium | 96 | 22 |
| Losartan Potassium | 78 | 20 |
| Olmesartan Medoxomil | 73 | 14 |
| Zolpidem Tartrate | 60 | 12 |
| Dapagliflozin Propanediol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,329 across 47 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
- 2007-01-25
- Last updated
- 2007-10-02
Frequently asked questions
- What is Donald Nortman's NPI number?
- Donald Nortman's National Provider Identifier (NPI) is 1780739896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Nortman's specialty?
- Donald Nortman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Nortman located?
- Donald Nortman's practice location on file with NPPES is 8635 W 3rd St, Los Angeles, CA 90048-6101.
- What is Donald Nortman's phone number?
- The practice phone number listed in the NPPES registry for Donald Nortman is (310) 659-1668.
- Does Donald Nortman accept Medicare?
- Donald Nortman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Nortman's NPI active?
- Yes — Donald Nortman's NPI (1780739896) is active in the NPPES registry as of the last update on 2007-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.