James Grisolia, M.D.INC
NPI 1336102359 · Neurology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Grisolia, M.D.INC is a Neurology Physician provider in San Diego, CA (NPI 1336102359).
Provider details
- NPI number
- 1336102359
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.INC
- Sex
- Male
- Sole proprietor
- No
- License
- G42884 (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
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
354 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 193 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $177 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 33 | $232 |
Typical Medicare-allowed amounts for these services range $97–$232 (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 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 542 | 181 |
| Quetiapine Fumarate | 210 | 73 |
| Donepezil Hcl | 209 | 74 |
| Topiramate | 170 | 51 |
| Duloxetine Hcl | 168 | 62 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 157 | 43 |
| Memantine Hclbrand: Memantine Hcl Er | 152 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,614 across 58 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
- 2006-04-10
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is James Grisolia's NPI number?
- James Grisolia's National Provider Identifier (NPI) is 1336102359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Grisolia's specialty?
- James Grisolia is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is James Grisolia located?
- James Grisolia's practice location on file with NPPES is 4033 3rd Ave Ste 204, San Diego, CA 92103-2130.
- What is James Grisolia's phone number?
- The practice phone number listed in the NPPES registry for James Grisolia is (619) 297-1155.
- Does James Grisolia accept Medicare?
- James Grisolia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Grisolia's NPI active?
- Yes — James Grisolia's NPI (1336102359) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.