Stephen Grill, MD PHD
NPI 1023129269 · Neurology Physician · Elkridge, MD
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Grill, MD PHD is a Neurology Physician provider in Elkridge, MD (NPI 1023129269).
Provider details
- NPI number
- 1023129269
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- D0041697 (MD)
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
7,327 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) |
|---|---|---|
| Injection, Daxibotulinumtoxina-Lanm, 1 UnitJ0589 | 6,060 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 597 | $132 |
| Injection of Chemical for Paralysis of Nerve Muscles on Side of Neck Excluding Voice Box64616 | 161 | $202 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 134 | $187 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator95970 | 82 | $19 |
| Needle Measurement of Electrical Activity in Muscle With Injection of Chemical for Paralysis of Nerve Muscle95874 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 527 | 143 |
| Carbidopa/Levodopabrand: Rytary | 137 | 30 |
| Rasagiline Mesylate | 132 | 37 |
| Clonazepam | 109 | 28 |
| Rivastigmine Tartratebrand: Rivastigmine | 101 | 32 |
| Primidone | 58 | 20 |
| Pimavanserin Tartratebrand: Nuplazid | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 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
- 2006-08-31
- Last updated
- 2011-04-09
Frequently asked questions
- What is Stephen Grill's NPI number?
- Stephen Grill's National Provider Identifier (NPI) is 1023129269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Grill's specialty?
- Stephen Grill is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Grill located?
- Stephen Grill's practice location on file with NPPES is 8180 Lark Brown Rd, Elkridge, MD 21075.
- What is Stephen Grill's phone number?
- The practice phone number listed in the NPPES registry for Stephen Grill is (443) 755-0030.
- Does Stephen Grill accept Medicare?
- Stephen Grill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Grill's NPI active?
- Yes — Stephen Grill's NPI (1023129269) is active in the NPPES registry as of the last update on 2011-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.