Dr. Cindy Lien, MD
- Medicare services, 2024
- 155
- Medicare patients, 2024
- 80
- Hospital affiliations
- 1
- Industry payments
- $117
- Medical groups
- 3
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lien's professional email, personal email and mobile number
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Dr. Cindy Lien is an internist in Boston, Massachusetts
Dr. Lien practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Lien's NPI, 1326095571, was assigned on May 30, 2006. Dr. Lien graduated from Washington University School of Medicine in 2002. Dr. Lien holds Massachusetts license 223580.
- NPI
- 1326095571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688607815
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cindy Lien practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Lien's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Cindy Lien is affiliated with 1 site of care and 3 medical groups
Dr. Lien's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Lien to 2 more medical groups, 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. Cindy Lien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cindy Lien is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Lien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lien is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Lien
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. Cindy Lien billed Medicare for 155 services in 2024
CMS data shows 155 Medicare services from Dr. Lien across 4 procedure codes in 2024, for 80 Medicare patients. Medicare paid $15,878 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2342024: 15534%
Dr. Lien compared with the Massachusetts median for internists, 2024
- Dr. Lien
- Massachusetts median
- Medicare services
- 155vs 43164% below
- Medicare patients
- 80vs 19459% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lien'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.
Need commercial claims for Dr. Lien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lien and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cindy Lien treated 80 Medicare patients in 2024, average age 74
CMS counts 80 Medicare patients who saw Dr. Lien in 2024. The largest group is 75 to 84, with 30 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 43% are also on Medicaid. Their average risk score is 3.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lien's median patient age at 69, with 47% women.
Dr. Lien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lien's Medicare patients by sex, 2024
- Women4050%
- Men4050%
Chronic conditions among Dr. Lien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Heart failure59%
- Mood disorders58%
- Depression53%
- Chronic kidney disease51%
- Ischemic heart disease51%
- Anxiety50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Cindy Lien takes part in Medicare
Dr. Lien 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. Cindy Lien received $117 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Lien from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $117.
Companies that paid Dr. Lien the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cindy Lien graduated from Washington University School of Medicine
Dr. Lien graduated from Washington University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cindy Lien'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 DataMedicare Physician & Other Practitioners - 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) |
| Industry payments | Open Payments (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. Cindy Lien
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. Cindy Lien's NPI number?
Dr. Cindy Lien's NPI number is 1326095571. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Cindy Lien?
Dr. Cindy Lien is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cindy Lien practice?
Dr. Lien practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Lien's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Lien to 2 medical groups.
What is Dr. Cindy Lien's office phone number?
The practice phone on file for Dr. Lien is (617) 667-7000.
What is Dr. Cindy Lien's medical license number?
Dr. Lien holds Massachusetts license 223580.
Which hospitals is Dr. Cindy Lien affiliated with?
Dr. Lien practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Dr. Cindy Lien part of?
Dr. Lien is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Lien to 2 more medical groups.
Does Dr. Cindy Lien accept Medicare?
Yes. CMS data shows Dr. Lien billed Medicare for 155 services in 2024, and Dr. Lien accepts Medicare assignment.
How many Medicare patients does Dr. Cindy Lien see?
CMS counts 80 Medicare patients who saw Dr. Lien in 2024, with an average age of 74.
What services does Dr. Cindy Lien bill to Medicare?
In 2024, Dr. Lien's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
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Where did Dr. Cindy Lien go to medical school?
Dr. Lien graduated from Washington University School of Medicine in 2002.
Has Dr. Cindy Lien received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Dr. Lien from 1 company from 2017 to 2017. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Cindy Lien been practicing?
Dr. Lien graduated from medical school in 2002, 24 years ago.
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