Erin Cook Grady, MD
NPI 1396945937 · Nuclear Radiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Nuclear Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Cook Grady, MD is a Nuclear Radiology Physician provider in Stanford, CA (NPI 1396945937).
Provider details
- NPI number
- 1396945937
- Entity type
- Individual
- Primary specialty
- Nuclear Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25835 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,239 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 254 | $10 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 243 | $125 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 157 | $10 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 94 | $127 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 85 | $126 |
| Nuclear Medicine Study, Spect Imaging With Concurrent Ct Scan, 1 Area Or Single Acquisition, Single Day Imaging78830 |
Practice location
Mailing address
Additional practice locations (2)
- 4755 Ogletown Stanton RdNuclear MedicineNewark, DE 19718-2200Phone: (302) 733-1540
- 1365 Clifton Rd NeAtlanta, GA 30322-2200Phone: (404) 778-5000
Registry dates
- Enumerated
- 2007-07-23
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Erin Cook Grady's NPI number?
- Erin Cook Grady's National Provider Identifier (NPI) is 1396945937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Cook Grady's specialty?
- Erin Cook Grady is listed in the NPPES registry with a primary specialty of Nuclear Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Cook Grady located?
- Erin Cook Grady's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Erin Cook Grady's phone number?
- The practice phone number listed in the NPPES registry for Erin Cook Grady is (650) 723-4000.
- Does Erin Cook Grady accept Medicare?
- Erin Cook Grady is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Cook Grady's NPI active?
- Yes — Erin Cook Grady's NPI (1396945937) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.