Herman Sullivan, MD
NPI 1528008281 · Neurology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Herman Sullivan, MD is a Neurology Physician provider in Grand Rapids, MI (NPI 1528008281).
Provider details
- NPI number
- 1528008281
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301069347 (MI)
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
55 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 | 24 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $82 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 15 | $138 |
Typical Medicare-allowed amounts for these services range $82–$138 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Baclofen | 171 | 30 |
| Gabapentin | 165 | 26 |
| Dalfampridinebrand: Dalfampridine Er | 120 | 17 |
| Teriflunomide | 79 | 12 |
| Fingolimod Hclbrand: Fingolimod | 75 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 69 | — |
| Tizanidine Hcl | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 2 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
- 2006-06-08
- Last updated
- 2010-10-08
Frequently asked questions
- What is Herman Sullivan's NPI number?
- Herman Sullivan's National Provider Identifier (NPI) is 1528008281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herman Sullivan's specialty?
- Herman Sullivan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Herman Sullivan located?
- Herman Sullivan's practice location on file with NPPES is 200 Cherry St Se, Grand Rapids, MI 49503.
- What is Herman Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Herman Sullivan is (616) 685-5050.
- Does Herman Sullivan accept Medicare?
- Herman Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Herman Sullivan's NPI active?
- Yes — Herman Sullivan's NPI (1528008281) is active in the NPPES registry as of the last update on 2010-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.