Dr. Tobias Godfrey Hays, MD
- Hospital affiliations
- 1
- Industry payments
- $153
- Medical group
- 1
- Insurance carriers
- 12
- State license
- 1
- Practice address
- 725 Welch Road, Palo Alto, CA 94304
- Practice phone
- Call (650) 497-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hays' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tobias Godfrey Hays is a pediatrician in Palo Alto, California
Dr. Hays practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Dr. Hays' NPI, 1790949972, was assigned on July 16, 2008. Dr. Hays graduated from Geisel School Of Medicine At Dartmouth in 2005. Dr. Hays holds California license A97503.
- NPI
- 1790949972NPI Registry (opens in a new tab)
- NPI enumeration date
- July 16, 2008
- NPI status
- Active
- Practice phone
- (650) 497-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tobias Godfrey Hays practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Dr. Hays' primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.
- Lucile Packard Children's Hospital Stanford725 Welch Road, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 497-8000
Source: Dmand AI Affiliation Data
Dr. Tobias Godfrey Hays is affiliated with 2 sites of care and 1 medical group
Dr. Hays' primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. The medical group on file is Lucile Packard Children's Hospital Stanford. Dmand AI also links Dr. Hays to 1 more group practice or clinic, named with a free account. Dr. Hays' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tobias Godfrey Hays' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hays practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lucile Packard Children's Hospital Stanford | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tobias Godfrey Hays is one of 8,236 pediatricians in California
Pediatrics is Dr. Hays' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Hays is board certified in pediatrics by the American Board of Pediatrics. Dr. Hays is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Hays
Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tobias Godfrey Hays' patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Hays' median patient age at 9, with 44% women.
Dr. Hays' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Tobias Godfrey Hays received $153 in industry payments from 2016 to 2017
CMS Open Payments shows 2 general payments to Dr. Hays from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $140.
General payments to Dr. Hays by program year, 2016 to 2017
Companies that paid Dr. Hays the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tobias Godfrey Hays graduated from Geisel School Of Medicine At Dartmouth
Dr. Hays graduated from Geisel School Of Medicine At Dartmouth in 2005.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Tobias Godfrey Hays accepts plans from 12 insurance carriers
Dr. Hays is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Hays accepts, by number of carriers
- PPO9
- HMO6
- Medicare6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Tobias Godfrey Hays's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tobias Godfrey Hays
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tobias Godfrey Hays' NPI number?
Dr. Tobias Godfrey Hays' NPI number is 1790949972. It was assigned on July 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Tobias Godfrey Hays?
Dr. Tobias Godfrey Hays is a pediatrician in Palo Alto, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Tobias Godfrey Hays practice?
Dr. Hays practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Hays' primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dmand AI also links Dr. Hays to 1 group practice or clinic.
What is Dr. Tobias Godfrey Hays' office phone number?
The practice phone on file for Dr. Hays is (650) 497-8000.
What is Dr. Tobias Godfrey Hays' medical license number?
Dr. Hays holds California license A97503.
Which hospitals is Dr. Tobias Godfrey Hays affiliated with?
Dr. Hays practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.
What medical group is Dr. Tobias Godfrey Hays part of?
Dr. Hays is linked to Lucile Packard Children's Hospital Stanford.
Is Dr. Tobias Godfrey Hays board certified?
Yes. Dr. Hays is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Tobias Godfrey Hays go to medical school?
Dr. Hays graduated from Geisel School Of Medicine At Dartmouth in 2005.
Has Dr. Tobias Godfrey Hays received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to Dr. Hays from 2 companies from 2016 to 2017. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Tobias Godfrey Hays been practicing?
Dr. Hays graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Tobias Godfrey Hays accept?
Dr. Hays is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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