Mark Gudesblatt, M.D.
NPI 1528030269 · Neurology Physician · Islip, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gudesblatt, M.D. is a Neurology Physician provider in Islip, NY (NPI 1528030269).
Provider details
- NPI number
- 1528030269
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 147227 (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
7,952 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) |
|---|---|---|
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 2,741 | $23 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 954 | $73 |
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139 | 855 | $42 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 830 | $40 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 467 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 446 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 284 | 97 |
| Immune Globul G/Gly/Iga Avg 46brand: Gamunex-C | 255 | 34 |
| Donepezil Hcl | 214 | 68 |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 184 | 25 |
| Immun Glob G(igg)/Gly/Iga Ov50brand: Gammagard Liquid | 171 | 16 |
| Bupropion Hclbrand: Bupropion Xl | 161 | 60 |
| Baclofen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$984 across 22 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
- 2006-02-06
- Last updated
- 2016-09-13
Frequently asked questions
- What is Mark Gudesblatt's NPI number?
- Mark Gudesblatt's National Provider Identifier (NPI) is 1528030269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gudesblatt's specialty?
- Mark Gudesblatt is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gudesblatt located?
- Mark Gudesblatt's practice location on file with NPPES is 712 Main St, Islip, NY 11751-3620.
- What is Mark Gudesblatt's phone number?
- The practice phone number listed in the NPPES registry for Mark Gudesblatt is (631) 666-3939.
- Does Mark Gudesblatt accept Medicare?
- Mark Gudesblatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gudesblatt's NPI active?
- Yes — Mark Gudesblatt's NPI (1528030269) is active in the NPPES registry as of the last update on 2016-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.