Jiani Guo, D.O.
Family Medicine Physician · Brighton, MA
Jiani Guo, D.O. is a family medicine physician with a practice address in Brighton, Massachusetts, and NPI 1134418825, issued on Apr 4, 2011. Check the license (Massachusetts 250259, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jiani Guo
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 250259 MA
Self-reported in NPPES; status is on the state search - Practice location
- 495 Western Ave, Brighton, MA 02135
- Phone
- (617) 783-0500
- Enumerated
- Apr 4, 2011
- Record last updated
- Oct 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130116000261); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 495 Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nneka Adichie, DOFamily Medicine Physician1306472527
- Paul Allen, MDInternal Medicine Physician1174660732
- Dara Arons, M.D.Family Medicine Physician1548434566
- Michael Arroyo, LDOOptician1558927624
- Hilary Baker, ODOptometrist1225413198
- Ana Monica Batkis-Odonnell, LMHCMental Health Counselor1447672761
Verify Jiani Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 250259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average family medicine physician in 2024
3,275 Medicare Part D claims for 294 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 106 claims were for opioids.
Most prescribed
- Atorvastatin Calcium220 claims
- Amlodipine Besylate178 claims
- Levothyroxine Sodium113 claims
- Omeprazole107 claims
- Metoprolol Succinate103 claims
- Gabapentin98 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
- Brigham And Womens Physicians Organization IncHyde Park, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jiani Guo among 2,265 family medicine physician records in Massachusetts
Jiani Guo, D.O. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2009 · median 2006 among the 1,529 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Brighton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nneka Adichie, DOBrighton, MA 021351306472527
- Delphine Alignol, NPCambridge, MA 021351730645847
- Dara Arons, M.D.Brighton, MA 021351548434566
- Aviva Friedman, MDBrighton, MA 021351518453588
- Erin Maxfield, DOBrighton, MA 021351861997983
- Elizabeth Molina Ortiz, MDBrighton, MA 021351023219524
- Kailas Rumjahn Gryte, MDBrighton, MA 021351689475162
- Geraldine Schick, M.D.Brighton, MA 021351831326578
Common questions
What is Jiani Guo, D.O.'s NPI number?
Jiani Guo, D.O.'s National Provider Identifier (NPI) is 1134418825, issued on Apr 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jiani Guo, D.O. located?
The NPPES record lists a practice address at 495 Western Ave, Brighton, MA, 02135. Phone: (617) 783-0500. Providers update this record themselves, so call before visiting.
How can I verify Jiani Guo, D.O.'s license?
NPPES lists Massachusetts license number 250259, 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 Jiani Guo, D.O. prescribe under Medicare Part D?
In 2024, Jiani Guo, D.O. had 3,275 Medicare Part D claims for 294 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.