Mark Sadoff, M.D.
NPI 1497784946 · Neurology Physician · Carlsbad, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sadoff, M.D. is a Neurology Physician provider in Carlsbad, CA (NPI 1497784946).
Provider details
- NPI number
- 1497784946
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G42818 (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
757 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 50 Minutes99233 | 347 | $121 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 142 | $107 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 60 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $177 |
| Nerve Conduction, 5-6 Studies95909 | 29 | $147 |
| Nerve Conduction, 9-10 Studies95911 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$386 across 14 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
- 2006-06-30
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Mark Sadoff's NPI number?
- Mark Sadoff's National Provider Identifier (NPI) is 1497784946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sadoff's specialty?
- Mark Sadoff is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sadoff located?
- Mark Sadoff's practice location on file with NPPES is 6010 Hidden Valley Rd Ste 200, Carlsbad, CA 92011-4219.
- What is Mark Sadoff's phone number?
- The practice phone number listed in the NPPES registry for Mark Sadoff is (760) 631-3000.
- Does Mark Sadoff accept Medicare?
- Mark Sadoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sadoff's NPI active?
- Yes — Mark Sadoff's NPI (1497784946) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.