$25,012 in research paymentsAlzheimer DiseaseTauopathiesDonanemab
Dr. Chih Chao Yang, FACP, MD, MPH
NPI1538574488PAC ID2769774892
- Medicare services, 2021
- 74
- Part D claims, 2024
- 48
- Clinical trials
- 1
- Hospital affiliations
- 1
- Industry payments
- $236,990
- Practice address
- 110 W. Squantum St, Quincy, MA 02171
- Practice phone
- Call (508) 572-5771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Manet Community Health Center - Quincy (W Squantum St)
FQHC - Main Site · Quincy, Massachusetts
Find Dr. Yang'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. Chih Chao Yang is an internist in Quincy, Massachusetts
Dr. Yang practices at Manet Community Health Center - Quincy (W Squantum St) in Quincy, Massachusetts.
Dr. Yang's NPI, 1538574488, was assigned on June 29, 2014. Dr. Yang holds Massachusetts license 260345.
NPI and contact details
- NPI
- 1538574488NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769774892
- NPI enumeration date
- June 29, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 572-5771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chih Chao Yang practices at Manet Community Health Center - Quincy (W Squantum St) in Quincy, Massachusetts
Dr. Yang's primary practice is Manet Community Health Center - Quincy (W Squantum St), at 110 W. Squantum St, Quincy, MA 02171. The practice phone is (508) 572-5771.
- Manet Community Health Center - Quincy (W Squantum St)110 W. Squantum St, Quincy, MA 02171Phone(508) 572-5771
Source: Dmand AI Affiliation Data
Dr. Chih Chao Yang is affiliated with 2 sites of care and 4 medical groups
Dr. Yang's primary practice is Manet Community Health Center - Quincy (W Squantum St) in Quincy, Massachusetts. Dr. Yang is also affiliated with Boston Medical Center - Brighton. The medical group on file is Steward Medical Group. Dmand AI also links Dr. Yang to 3 more medical groups, each named with a free account. Dr. Yang's employer is on file too: a community health center (fqhc).
Manet Community Health Center - Quincy (W Squantum St)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chih Chao Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manet Community Health Center - Quincy (W Squantum St) | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chih Chao Yang is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yang is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Yang
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. Chih Chao Yang billed Medicare for 74 services in 2021
CMS data shows 74 Medicare services from Dr. Yang across 1 procedure code in 2021. Medicare paid $3,774 for them. Every service was in an office.
Medicare services, 202174
Paid by Medicare$3,774
Procedure codes1
Dr. Yang's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Lab and pathology
- 2020: 172021: 74335%
Dr. Yang compared with the Massachusetts median for internists, 2021
- Dr. Yang
- Massachusetts median
- Medicare services
- 74vs 43183% below
- Part D claims
- 218vs 40246% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Yang's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chih Chao Yang's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 53, with 52% women.
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women52%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Chih Chao Yang wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 48 Medicare Part D claims for 18 patients. 92% of them were for generic drugs. They cover 16 drugs, with $13,603 in total drug cost. In 2020, CMS named 1,275 claims across 57 drugs.
Part D claims, 202448
Drugs named by CMS16
Total drug cost$13,603
Part D patients18
Dr. Yang's Part D claims by kind of drug, 2024
- Generic44 claims92%
- Brand-name and other4 claims8%
Dr. Yang's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1,2752021: 21883%
Drugs named by CMS: 16 in 2021, 57 in 2020.
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
How Dr. Chih Chao Yang takes part in Medicare
Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chih Chao Yang has worked on 1 clinical trial
Dmand AI links Dr. Yang to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Alzheimer Disease and Tauopathies. Open Payments lists research payments to Dr. Yang that name 2 trials.
Conditions in Dr. Yang's trials
- Alzheimer Disease
- Tauopathies
Investigators on the most trials with Dr. Yang
- Rajiv Kumar Aggarwal, MBBS1 shared trial
- Rajiv Kumar Aggarwal, MBBS1 shared trial
- Thomas A. Ala, MD1 shared trial
Recent clinical trials with Dr. Yang
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chih Chao Yang received $236,990 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Yang from 4 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 95% of the total. AppliedVR Inc paid the most, $236,600. It also lists 4 research payments totaling $25,162 from 2021 to 2024, naming 2 clinical trials.
General payments to Dr. Yang by program year, 2018 to 2025
General payments to Dr. Yang by kind, 2018 to 2025
$237Kin total
- Consulting fees$224,40095%
- Grants$12,2005%
- Food and beverage$3900%
Companies that paid Dr. Yang the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Chih Chao Yang'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Chih Chao Yang
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. Chih Chao Yang's NPI number?
Dr. Chih Chao Yang's NPI number is 1538574488. It was assigned on June 29, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Chih Chao Yang?
Dr. Chih Chao Yang is an internist in Quincy, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chih Chao Yang practice?
Dr. Yang practices at 110 W. Squantum St, Quincy, MA 02171. Dr. Yang's primary practice is Manet Community Health Center - Quincy (W Squantum St) in Quincy, Massachusetts. Dmand AI also links Dr. Yang to 3 medical groups.
What is Dr. Chih Chao Yang's office phone number?
The practice phone on file for Dr. Yang is (508) 572-5771.
What is Dr. Chih Chao Yang's medical license number?
Dr. Yang holds Massachusetts license 260345.
Which hospitals is Dr. Chih Chao Yang affiliated with?
Dr. Yang is affiliated with Boston Medical Center - Brighton.
What medical group is Dr. Chih Chao Yang part of?
Dr. Yang is linked to Steward Medical Group. Dmand AI links Dr. Yang to 3 more medical groups.
Does Dr. Chih Chao Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 74 services in 2021, and Dr. Yang accepts Medicare assignment.
What services does Dr. Chih Chao Yang bill to Medicare?
In 2021, Dr. Yang's most billed Medicare services were lab and pathology test (87635).
What drugs does Dr. Chih Chao Yang prescribe most?
In 2021 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Omeprazole, Famotidine and Simvastatin.
Show 3 more questionsShow fewer questions
Has Dr. Chih Chao Yang received payments from drug or device companies?
CMS Open Payments shows $236,990 in general payments to Dr. Yang from 4 companies from 2018 to 2025. The largest total came from AppliedVR Inc.
How long has Dr. Chih Chao Yang been practicing?
Dr. Yang graduated from medical school in 2009, 17 years ago.
Does Dr. Chih Chao Yang do research?
Dr. Yang has worked on 1 clinical trial.
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