Dr. Cynthia Peng, MD
- Medicare services, 2024
- 89
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 73
- Hospital affiliations
- 1
- Medical groups
- 4
- Practice address
- 115 Mill Street, Belmont, MA 02478
- Practice phone
- Call (617) 855-3450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Peng'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. Cynthia Peng is a psychiatrist in Belmont, Massachusetts
Dr. Peng practices at McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham.
Dr. Peng's NPI, 1780203919, was assigned on April 8, 2020. Dr. Peng holds Massachusetts license 295205.
- NPI
- 1780203919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769847342
- NPI enumeration date
- April 8, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 855-3450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cynthia Peng practices at McLean Hospital in Belmont, Massachusetts
Dr. Peng's primary practice is McLean Hospital, at 115 Mill Street, Belmont, MA 02478 in Middlesex County. The practice phone is (617) 855-3450.
- McLean Hospital115 Mill Street, Belmont, MA 02478 · Middlesex CountyPhone(617) 855-3450
Source: Dmand AI Affiliation Data
Dr. Cynthia Peng is affiliated with 1 site of care and 4 medical groups
Dr. Peng's primary practice is McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Peng to 3 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. Cynthia Peng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLean Hospital | Available with a free account |
| +3 medical groups | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Cynthia Peng is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Peng's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Peng is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Peng
Counts of psychiatrists 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. Cynthia Peng billed Medicare for 89 services in 2024
CMS data shows 89 Medicare services from Dr. Peng across 1 procedure code in 2024, for 15 Medicare patients. Medicare paid $5,849 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Peng compared with the Massachusetts median for psychiatrists, 2024
- Dr. Peng
- Massachusetts median
- Medicare services
- 89vs 17248% below
- Medicare patients
- 15vs 4264% below
- Part D claims
- 13vs 9286% below
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Peng'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. Peng and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cynthia Peng treated 15 Medicare patients in 2024, average age 50
CMS counts 15 Medicare patients who saw Dr. Peng in 2024. 75% of them have anxiety, and 75% have bipolar disorder. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Peng's median patient age at 32, with 50% women.
Chronic conditions among Dr. Peng's Medicare patients, 2024
- Anxiety75%
- Bipolar disorder75%
- Mood disorders75%
- Schizophrenia and other psychoses75%
- Depression73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cynthia Peng wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Peng wrote 73 Medicare Part D claims for 11 patients. 70% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $86,390 in total drug cost.
Dr. Peng's Part D claims by kind of drug, 2024
- Generic51 claims70%
- Brand-name22 claims30%
Dr. Peng'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.
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. Cynthia Peng takes part in Medicare
Dr. Peng 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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Sources for Dr. Cynthia Peng'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) |
| 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) |
| 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. Cynthia Peng
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. Cynthia Peng's NPI number?
Dr. Cynthia Peng's NPI number is 1780203919. It was assigned on April 8, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Cynthia Peng?
Dr. Cynthia Peng is a psychiatrist in Belmont, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Cynthia Peng practice?
Dr. Peng practices at 115 Mill Street, Belmont, MA 02478. Dr. Peng's primary practice is McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Peng to 3 medical groups.
What is Dr. Cynthia Peng's office phone number?
The practice phone on file for Dr. Peng is (617) 855-3450.
What is Dr. Cynthia Peng's medical license number?
Dr. Peng holds Massachusetts license 295205.
Which hospitals is Dr. Cynthia Peng affiliated with?
Dr. Peng practices at McLean Hospital in Belmont, Massachusetts.
What medical group is Dr. Cynthia Peng part of?
Dr. Peng is linked to Brigham and Women's Hospital. Dmand AI links Dr. Peng to 3 more medical groups.
Does Dr. Cynthia Peng accept Medicare?
Yes. CMS data shows Dr. Peng billed Medicare for 89 services in 2024, and Dr. Peng accepts Medicare assignment.
How many Medicare patients does Dr. Cynthia Peng see?
CMS counts 15 Medicare patients who saw Dr. Peng in 2024, with an average age of 50.
What services does Dr. Cynthia Peng bill to Medicare?
In 2024, Dr. Peng's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Cynthia Peng prescribe most?
In 2024 Medicare Part D data, Dr. Peng's most prescribed drugs by claims were Ingrezza.
How long has Dr. Cynthia Peng been practicing?
Dr. Peng graduated from medical school in 2020, 6 years ago.
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