Grace Lai, M.D., PH. D.
NPI 1851785109 · Neurological Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Lai, M.D., PH. D. is a Neurological Surgery Physician provider in San Francisco, CA (NPI 1851785109).
Provider details
- NPI number
- 1851785109
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH. D.
- Sex
- Female
- Sole proprietor
- No
- License
- 1851785109 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$726 across 6 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
- 2015-03-25
- Last updated
- 2022-06-30
- Certified
- 2022-06-30
Frequently asked questions
- What is Grace Lai's NPI number?
- Grace Lai's National Provider Identifier (NPI) is 1851785109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Lai's specialty?
- Grace Lai is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Lai located?
- Grace Lai's practice location on file with NPPES is 550 16th St, San Francisco, CA 94143-2549.
- What is Grace Lai's phone number?
- The practice phone number listed in the NPPES registry for Grace Lai is (415) 476-3581.
- Does Grace Lai accept Medicare?
- Grace Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Lai's NPI active?
- Yes — Grace Lai's NPI (1851785109) is active in the NPPES registry as of the last update on 2022-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.