Dr. Chien H. Lin, MD
- Medicare services, 2024
- 2,986
- Medicare patients, 2024
- 271
- Part D claims, 2024
- 4,886
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 111 Grossman Dr, Braintree, MA 02184
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Braintree, Massachusetts
Find Dr. Lin'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. Chien H. Lin is an internist in Braintree, Massachusetts
Dr. Lin practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Dr. Lin's NPI, 1750399374, was assigned on August 3, 2006. Dr. Lin graduated from State University of New York at Buffalo School of Medicine in 1994. Dr. Lin holds Massachusetts license 230883.
- NPI
- 1750399374NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032114806
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chien H. Lin practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Dr. Lin's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chien H. Lin is affiliated with 4 sites of care and 1 medical group
Dr. Lin's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Lin is also affiliated with Mount Auburn Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Lin to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chien H. Lin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chien H. Lin is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Lin's licenses on file in 2 states: Massachusetts and New York.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
- New York license
Internists near Dr. Lin
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. Chien H. Lin billed Medicare for 2,986 services in 2024
CMS data shows 2,986 Medicare services from Dr. Lin across 41 procedure codes in 2024, for 271 Medicare patients. Medicare paid $62,765 for them. Every service was in an office.
Dr. Lin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,6322024: 1,5068%
- Surgery
- 2023: 5882024: 6175%
- Office and hospital visits
- 2023: 4822024: 480No change
- Other services
- 2023: 2672024: 23512%
- Tests and treatments
- 2023: 1602024: 1488%
Dr. Lin compared with the Massachusetts median for internists, 2024
- Dr. Lin
- Massachusetts median
- Medicare services
- 2,986vs 4316.9 times
- Medicare patients
- 271vs 19440% above
- Part D claims
- 4,235vs 40210.5 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lin and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chien H. Lin treated 271 Medicare patients in 2024, average age 74
CMS counts 271 Medicare patients who saw Dr. Lin in 2024. The largest group is 65 to 74, with 127 patients. 72% of them have high cholesterol, and 64% have high blood pressure. 10% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lin's median patient age at 62, with 25% women.
Dr. Lin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lin's Medicare patients by sex, 2024
- Women8030%
- Men19170%
Chronic conditions among Dr. Lin's Medicare patients, 2024
- High cholesterol72%
- High blood pressure64%
- Diabetes33%
- Arthritis23%
- Cancer19%
- Chronic kidney disease18%
- Ischemic heart disease17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women25%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chien H. Lin wrote 4,886 Medicare Part D claims in 2024
In 2024, Dr. Lin wrote 4,886 Medicare Part D claims for 416 patients. 87% of them were for generic drugs. CMS names the drug for 4,235 of them, across 75 drugs with 11 or more claims each, at $372,071 in total drug cost. In 2023, CMS named 4,551 claims across 85 drugs.
Dr. Lin's Part D claims by kind of drug, 2024
- Generic4,239 claims87%
- Brand-name610 claims12%
- Other37 claims1%
Dr. Lin'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.
Drug classes CMS tracks in Dr. Lin's Part D claims, 2024
- Opioids1%26 of 4,886 claims
- Antibiotics1%39 of 4,886 claims
- Antipsychotics, patients 65 and over0%11 of 4,886 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5512024: 4,2357%
Drugs named by CMS: 75 in 2024, 85 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
Dr. Chien H. Lin offers telehealth to Medicare patients
Dr. Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chien H. Lin graduated from State University of New York at Buffalo School of Medicine
Dr. Lin graduated from State University of New York at Buffalo School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chien H. Lin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Chien H. Lin
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. Chien H. Lin's NPI number?
Dr. Chien H. Lin's NPI number is 1750399374. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chien H. Lin?
Dr. Chien H. Lin is an internist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chien H. Lin practice?
Dr. Lin practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Lin's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Lin to 1 group practice or clinic and 1 home health agency.
What is Dr. Chien H. Lin's office phone number?
The practice phone on file for Dr. Lin is (617) 421-1000.
What is Dr. Chien H. Lin's medical license number?
Dr. Lin holds Massachusetts license 230883, one of the licenses on file in 2 states.
Which states has Dr. Chien H. Lin been licensed in?
Dmand AI has state licenses on file for Dr. Lin in Massachusetts and New York.
Which hospitals is Dr. Chien H. Lin affiliated with?
Dr. Lin is affiliated with Mount Auburn Hospital.
What medical group is Dr. Chien H. Lin part of?
Dr. Lin is linked to Atrius Health.
Does Dr. Chien H. Lin accept Medicare?
Yes. CMS data shows Dr. Lin billed Medicare for 2,986 services in 2024, and Dr. Lin accepts Medicare assignment.
Does Dr. Chien H. Lin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lin as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Chien H. Lin see?
CMS counts 271 Medicare patients who saw Dr. Lin in 2024, with an average age of 74.
What services does Dr. Chien H. Lin bill to Medicare?
In 2024, Dr. Lin's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (83036).
Where did Dr. Chien H. Lin go to medical school?
Dr. Lin graduated from State University of New York at Buffalo School of Medicine in 1994.
What drugs does Dr. Chien H. Lin prescribe most?
In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Chien H. Lin been practicing?
Dr. Lin graduated from medical school in 1994, 32 years ago.
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