Dr. Chi K. Co, MD
- Hospital affiliations
- 1
- Industry payments
- $16
- State license
- 1
- Year NPI issued
- 2007
- 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
Primary practice
Find Dr. Co's 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. Chi K. Co is a pediatrician in Palo Alto, California
Dr. Co practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Dr. Co's NPI, 1346375763, was assigned on February 23, 2007. Dr. Co holds California license 00A493110.
- NPI
- 1346375763NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2007
- NPI status
- Active
- Practice phone
- (650) 497-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Chi K. Co practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Dr. Co's 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. Chi K. Co is affiliated with 1 site of care
Dr. Co's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chi K. Co's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Co practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. Chi K. Co is one of 8,236 pediatricians in California
Pediatrics is Dr. Co's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Co is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Co
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. Chi K. Co's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Co's median patient age at 13, with 35% women.
Dr. Co's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women35%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. Chi K. Co received $16 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Co from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $16.
Companies that paid Dr. Co the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Chi K. Co'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) |
| 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. Chi K. Co
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. Chi K. Co's NPI number?
Dr. Chi K. Co's NPI number is 1346375763. It was assigned on February 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Chi K. Co?
Dr. Chi K. Co is a pediatrician in Palo Alto, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Chi K. Co practice?
Dr. Co practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Co's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
What is Dr. Chi K. Co's office phone number?
The practice phone on file for Dr. Co is (650) 497-8000.
What is Dr. Chi K. Co's medical license number?
Dr. Co holds California license 00A493110.
Which hospitals is Dr. Chi K. Co affiliated with?
Dr. Co practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.
Has Dr. Chi K. Co received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Co from 1 company from 2022 to 2022. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Chi K. Co been practicing?
Dr. Co's NPI was assigned in 2007.
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