Dr. Andrew Chao, MD
- Part D claims, 2017
- 36
- Hospital affiliations
- 2
- Industry payments
- $1,871
- Medical group
- 1
- Insurance carriers
- 7
- Practice address
- 975 S Fairmont Avenue, Lodi, CA 95240
- Practice phone
- Call (209) 334-3411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chao'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. Andrew Chao is a maternal-fetal medicine specialist in Lodi, California
Dr. Chao practices at Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health.
Dr. Chao's NPI, 1972578896, was assigned on February 22, 2006. Dr. Chao graduated from Perelman School of Medicine - Philadelphia in 1977. Dr. Chao's California license number on file is G46081.
- NPI
- 1972578896NPI Registry (opens in a new tab)
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Practice phone
- (209) 334-3411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Andrew Chao practices at Adventist Health Lodi Memorial in Lodi, California
Dr. Chao's primary practice is Adventist Health Lodi Memorial, at 975 S Fairmont Avenue, Lodi, CA 95240 in San Joaquin County. The practice phone is (209) 334-3411.
- Adventist Health Lodi Memorial975 S Fairmont Avenue, Lodi, CA 95240 · San Joaquin CountyPhone(209) 334-3411
Source: Dmand AI Affiliation Data
Dr. Andrew Chao is affiliated with 3 sites of care and 1 medical group
Dr. Chao's primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. The medical group on file is Gill OB/GYN Medical Group, Inc. Dmand AI also links Dr. Chao to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Lodi Memorial | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrew Chao is one of 318 maternal-fetal medicine specialists in California
Maternal and fetal medicine is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. Chao is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Chao's licenses on file in 3 states: California, Oregon and Washington.
Specialties and state licenses
- Maternal and fetal medicine, CaliforniaPrimary
- Oregon license
- Washington license
Maternal-fetal medicine specialists near Dr. Chao
Counts of maternal-fetal medicine specialists 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. Andrew Chao's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Dr. Chao's median patient age at 39, with 100% women.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Andrew Chao wrote 36 Medicare Part D claims in 2017
In 2017, Dr. Chao wrote 36 Medicare Part D claims. They cover 3 drugs, with $4,539 in total drug cost. In 2016, CMS named 48 claims across 4 drugs.
Dr. Chao's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 482017: 3625%
Drugs named by CMS: 3 in 2017, 4 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Andrew Chao received $1,871 in industry payments from 2016 to 2024
CMS Open Payments shows 64 general payments to Dr. Chao from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 88% of the total. AMAG Pharmaceuticals, Inc. paid the most, $338.
General payments to Dr. Chao by program year, 2016 to 2024
General payments to Dr. Chao by kind, 2016 to 2024
- Food and beverage$1,65488%
- Education$21612%
Companies that paid Dr. Chao the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Chao has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chao.
Awards and honors for Dr. Chao
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Andrew Chao graduated from Perelman School of Medicine - Philadelphia
Dr. Chao graduated from Perelman School of Medicine - Philadelphia in 1977.
- Medical school
- Board certified in maternal-fetal medicine
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Andrew Chao accepts plans from 7 insurance carriers
Dr. Chao is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Molina
Plan types Dr. Chao accepts, by number of carriers
- Medicare6
- PPO6
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew Chao'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Andrew Chao
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. Andrew Chao's NPI number?
Dr. Andrew Chao's NPI number is 1972578896. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Chao?
Dr. Andrew Chao is a maternal-fetal medicine specialist in Lodi, California. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. Andrew Chao practice?
Dr. Chao practices at 975 S Fairmont Avenue, Lodi, CA 95240. Dr. Chao's primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. Dmand AI also links Dr. Chao to 1 hospital and 1 group practice or clinic.
What is Dr. Andrew Chao's office phone number?
The practice phone on file for Dr. Chao is (209) 334-3411.
What is Dr. Andrew Chao's medical license number?
Dr. Chao's California license number on file is G46081, one of the licenses on file in 3 states.
Which states has Dr. Andrew Chao been licensed in?
Dmand AI has state licenses on file for Dr. Chao in California (1981 to 2024), Oregon (since 2000) and Washington (2009).
Which hospitals is Dr. Andrew Chao affiliated with?
Dr. Chao practices at Adventist Health Lodi Memorial in Lodi, California. Dmand AI links Dr. Chao to 1 more hospital.
What medical group is Dr. Andrew Chao part of?
Dr. Chao is linked to Gill OB/GYN Medical Group, Inc.
Is Dr. Andrew Chao board certified?
Yes. Dr. Chao is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology.
Where did Dr. Andrew Chao go to medical school?
Dr. Chao graduated from Perelman School of Medicine - Philadelphia in 1977.
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What drugs does Dr. Andrew Chao prescribe most?
In 2017 Medicare Part D data, Dr. Chao's most prescribed drugs by claims were Levothyroxine Sodium, Myrbetriq and Omeprazole.
Has Dr. Andrew Chao received payments from drug or device companies?
CMS Open Payments shows $1,871 in general payments to Dr. Chao from 22 companies from 2016 to 2024. The largest total came from AMAG Pharmaceuticals, Inc.
How long has Dr. Andrew Chao been practicing?
Dr. Chao graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Andrew Chao accept?
Dr. Chao is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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