Douglas Lax, DO
NPI 1093790800 · Nephrology Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Lax, DO is a Nephrology Physician provider in Rockville Centre, NY (NPI 1093790800).
Provider details
- NPI number
- 1093790800
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 158526 (NY)
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
20 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
5,076 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 624 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 614 | $131 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 465 | $120 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 341 | $68 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 247 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 156 | 52 |
| Dapagliflozin Propanediolbrand: Farxiga | 119 | 38 |
| Furosemide | 93 | 37 |
| Torsemide | 90 | 37 |
| Calcitriol | 85 | 25 |
| Losartan Potassium | 77 | 30 |
| Atorvastatin Calcium | 73 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,475 across 66 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
- 2005-12-14
- Last updated
- 2009-10-30
Frequently asked questions
- What is Douglas Lax's NPI number?
- Douglas Lax's National Provider Identifier (NPI) is 1093790800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Lax's specialty?
- Douglas Lax is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Lax located?
- Douglas Lax's practice location on file with NPPES is 242 Merrick Rd, Rockville Centre, NY 11570-5254.
- What is Douglas Lax's phone number?
- The practice phone number listed in the NPPES registry for Douglas Lax is (516) 764-7070.
- Does Douglas Lax accept Medicare?
- Douglas Lax is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Lax's NPI active?
- Yes — Douglas Lax's NPI (1093790800) is active in the NPPES registry as of the last update on 2009-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.