Gregory Shaw, NP
NPI 1841820834 · Nurse Practitioner · Fremont, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Shaw, NP is a Nurse Practitioner provider in Fremont, CA (NPI 1841820834).
Provider details
- NPI number
- 1841820834
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 95193337 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 265 | 70 |
| Metformin Hcl | 229 | 55 |
| Amlodipine Besylate | 133 | 44 |
| Lisinopril | 125 | 37 |
| Losartan Potassium | 116 | 39 |
| Sitagliptin Phosphatebrand: Januvia | 100 | 21 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$470 across 20 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
- 2020-01-19
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is Gregory Shaw's NPI number?
- Gregory Shaw's National Provider Identifier (NPI) is 1841820834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Shaw's specialty?
- Gregory Shaw is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Shaw located?
- Gregory Shaw's practice location on file with NPPES is 40910 Fremont Blvd, Fremont, CA 94538-4375.
- What is Gregory Shaw's phone number?
- The practice phone number listed in the NPPES registry for Gregory Shaw is (510) 770-8040.
- Does Gregory Shaw accept Medicare?
- Gregory Shaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Shaw's NPI active?
- Yes — Gregory Shaw's NPI (1841820834) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.