Robert Marquardt, DO
NPI 1013335744 · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Marquardt, DO is a Neuromuscular Medicine (Psychiatry & Neurology) Physician provider in Cleveland, OH (NPI 1013335744).
Provider details
- NPI number
- 1013335744
- Entity type
- Individual
- Primary specialty
- Neuromuscular Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34.012364 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
462 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 66 | $42 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 66 | $16 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 53 | $42 |
| Comprehensive Ultrasound Scan of Entire Length of Nerves in Extremity76883 | 50 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Immun Glob G(igg)/Pro/Iga 0-50brand: Privigen | 48 |
| Gabapentin | 33 |
| Mycophenolate Mofetil | 28 |
| Prednisone | 24 |
| Pregabalin | 24 |
| Pyridostigmine Bromide | 21 |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 17 |
| Azathioprine | 16 |
| Efgartigimod-Hyaluronidas-Qvfcbrand: Vyvgart Hytrulo | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-31
- Last updated
- 2019-06-17
Frequently asked questions
- What is Robert Marquardt's NPI number?
- Robert Marquardt's National Provider Identifier (NPI) is 1013335744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Marquardt's specialty?
- Robert Marquardt is listed in the NPPES registry with a primary specialty of Neuromuscular Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Marquardt located?
- Robert Marquardt's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Robert Marquardt's phone number?
- The practice phone number listed in the NPPES registry for Robert Marquardt is (216) 444-2200.
- Does Robert Marquardt accept Medicare?
- Robert Marquardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Marquardt's NPI active?
- Yes — Robert Marquardt's NPI (1013335744) is active in the NPPES registry as of the last update on 2019-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.