Peter Chien, MD, PHD
Dermatology Physician · Boston, MA
Peter Chien, MD, PHD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1609089077, issued on May 8, 2007. Check the license (Massachusetts 240816, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Chien
- Credential
- MD, PHD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 240816 MA
247913 NY
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-3753
- Enumerated
- May 8, 2007
- Record last updated
- Sep 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20091007000111); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter Chien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 240816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average dermatology physician in 2024
1,545 Medicare Part D claims for 436 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Ketoconazole160 claims
- Tacrolimus135 claims
- Dupixent Pen103 claims
- Triamcinolone Acetonide87 claims
- Ammonium Lactate60 claims
- Metronidazole53 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $154.30
3 payments; by number, the most common kind was food and beverage; the largest payer was Krystal Biotech Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Chien among 627 dermatology physician records in Massachusetts
Peter Chien, MD, PHD is one of 627 dermatology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2005 · median 2008 among the 445 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Boston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Michael Bigby, M.D.Boston, MA 022151447201850
- Teresa Borkowski, M.D.Boston, MA 022151568496313
- Katherine Brag, M.D.Boston, MA 022151568857233
- Anthony Cukras, M.D., PH.D.Boston, MA 022151154465540
- Erica Dommasch, MDBoston, MA 022151003136771
- Farhana Jan, M.D.Boston, MA 022151558422584
- Alexandra Kimball, MD MPHBoston, MA 022151073503603
- Martina Porter, MDBoston, MA 022151871931618
Common questions
What is Peter Chien, MD, PHD's NPI number?
Peter Chien, MD, PHD's National Provider Identifier (NPI) is 1609089077, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Chien, MD, PHD located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-3753. Providers update this record themselves, so call before visiting.
How can I verify Peter Chien, MD, PHD's license?
NPPES lists Massachusetts license number 240816, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Chien, MD, PHD prescribe under Medicare Part D?
In 2024, Peter Chien, MD, PHD had 1,545 Medicare Part D claims for 436 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.