Harley Grandin, DDS
NPI 1851831622 · Endodontics · Oakland, CA
Provider details
- NPI number
- 1851831622
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Dental Providers
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 47 | 46 |
| Methylprednisolone | 35 | 35 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (2)
- 18 Southdale AveDaly City, CA 94015-4238Phone: (415) 317-7331
- 1435 W 15th St Apt 407Chicago, IL 60608Phone: (415) 317-7331
Registry dates
- Enumerated
- 2017-02-27
- Last updated
- 2022-04-07
- Certified
- 2022-04-07
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.