Liyi Pang, M.D.
Obstetrics & Gynecology Physician · Worcester, MA
Liyi Pang, M.D. is an obstetrics & gynecology physician with a practice address in Worcester, Massachusetts, and NPI 1558551648, issued on Jul 26, 2007. Check the license (Massachusetts 233657, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Liyi Pang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 233657 MA
Self-reported in NPPES; status is on the state search - Practice location
- 123 Summer St, Worcester, MA 01608
- Phone
- (508) 368-3110
- Enumerated
- Jul 26, 2007
- Record last updated
- Feb 20, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (508) 368-3113
- Medicaid ID
- 2142473 MA
- Medicare enrollment
- Enrolled (PECOS I20071001000150); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 123 Summer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annie Abraham, M.D.Internal Medicine Physician1962437061
- Yem AbulhamayelInternal Medicine Physician1730496381
- Freda Agyemang, NURSE PRACTITIONERFamily Nurse Practitioner1134733280
- Hajrah AhsanHospitalist Physician1497367395
- Padmastuti Akella, MDCritical Care Medicine (Internal Medicine) Physician1467988873
- Ibragim Al-Seykal, M.D.Student in an Organized Health Care Education/Training Program1730615261
Verify Liyi Pang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
66 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Medroxyprogesterone Acetate13 claims
- Clobetasol Propionate12 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.
Bills Medicare through one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Liyi Pang among 1,127 obstetrics & gynecology physician records in Massachusetts
Liyi Pang, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% 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 50% of them.
- NPI issued2007 · 50% of these records are older, 39% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1986 · median 2004 among the 715 with a school on file
- Record last updated2009 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Worcester → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Craig Best, M.D.Worcester, MA 016081801886106
- Patricia Chernosky, M.D.Worcester, MA 016081730142779
- Donald Desio, MDWorcester, MA 016081043205230
- Rachel Draper, DOWorcester, MA 016081265091144
- Ana Madariya, MDWorcester, MA 016081952530685
- Michael McBath, M.D.Worcester, MA 016081962864389
- Parul Nagar, D.O.Worcester, MA 016081295087914
- Fae Nason, MDWorcester, MA 016081588630859
Common questions
What is Liyi Pang, M.D.'s NPI number?
Liyi Pang, M.D.'s National Provider Identifier (NPI) is 1558551648, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Liyi Pang, M.D. located?
The NPPES record lists a practice address at 123 Summer St, Worcester, MA, 01608. Phone: (508) 368-3110. Providers update this record themselves, so call before visiting.
How can I verify Liyi Pang, M.D.'s license?
NPPES lists Massachusetts license number 233657, 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 Liyi Pang, M.D. prescribe under Medicare Part D?
In 2024, Liyi Pang, M.D. had 66 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.