Dr. Chen Bao, MD
- Part D claims, 2024
- 156
- Hospital affiliations
- 1
- Industry payments
- $54
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 22 Bramhall St, Portland, ME 04102
- Practice phone
- Call (207) 662-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bao'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. Chen Bao is an internist in Portland, Maine
Dr. Bao practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Bao's NPI, 1568083335, was assigned on May 2, 2020. Dr. Bao holds Massachusetts license 285162.
- NPI
- 1568083335NPI Registry (opens in a new tab)
- NPI enumeration date
- May 2, 2020
- NPI status
- Active
- Practice phone
- (207) 662-0111
- 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. Chen Bao practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Bao's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.
- MaineHealth Maine Medical Center22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 662-0111
Source: Dmand AI Affiliation Data
Dr. Chen Bao is affiliated with 1 site of care
Dr. Bao's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chen Bao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chen Bao is one of 572 internists in Maine
Internal medicine is Dr. Bao's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bao is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Bao
Counts of internists 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. Chen Bao's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Bao's median patient age at 72, with 47% women.
Dr. Bao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Chen Bao wrote 156 Medicare Part D claims in 2024
In 2024, Dr. Bao wrote 156 Medicare Part D claims for 29 patients. 85% of them were for generic drugs. CMS names the drug for 68 of them, across 4 drugs with 11 or more claims each, at $854 in total drug cost. In 2023, CMS named 62 claims across 4 drugs.
Dr. Bao's Part D claims by kind of drug, 2024
- Generic132 claims85%
- Brand-name24 claims15%
Dr. Bao's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 622024: 6810%
Drugs named by CMS: 4 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Chen Bao received $54 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Bao from 2 drug and device companies in 2022. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $29.
Companies that paid Dr. Bao 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. Chen Bao'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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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. Chen Bao
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. Chen Bao's NPI number?
Dr. Chen Bao's NPI number is 1568083335. It was assigned on May 2, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Chen Bao?
Dr. Chen Bao is an internist in Portland, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chen Bao practice?
Dr. Bao practices at 22 Bramhall St, Portland, ME 04102. Dr. Bao's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
What is Dr. Chen Bao's office phone number?
The practice phone on file for Dr. Bao is (207) 662-0111.
What is Dr. Chen Bao's medical license number?
Dr. Bao holds Massachusetts license 285162.
Which hospitals is Dr. Chen Bao affiliated with?
Dr. Bao practices at MaineHealth Maine Medical Center in Portland, Maine.
What drugs does Dr. Chen Bao prescribe most?
In 2024 Medicare Part D data, Dr. Bao's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Furosemide.
Has Dr. Chen Bao received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to Dr. Bao from 2 companies from 2022 to 2022. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Chen Bao been practicing?
Dr. Bao's NPI was assigned in 2020.
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