Chong So, DO
Family Medicine Physician · Dracut, MA
Chong So, DO is a family medicine physician with a practice address in Dracut, Massachusetts, and NPI 1972561231, issued on May 3, 2006. Check the license (Massachusetts 245826, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chong So
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 245826 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1595 Bridge St, Dracut, MA 01826
- Phone
- (978) 323-2808
- Enumerated
- May 3, 2006
- Record last updated
- Mar 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (978) 323-2810
- Medicaid ID
- 30222401 NH
- Medicare enrollment
- Enrolled (PECOS I20110311000627); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 1595 Bridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Bonanno, DPTPhysical Medicine & Rehabilitation Physician1912782004
- Joseph Dulac, MDFamily Medicine Physician1760421234
- Nicholas Liuzza, PT, DPTPhysical Therapist1093269599
- Angela Scuderi, MSN, APRN, FNP-BCPrimary Care Nurse Practitioner1689542532
- Kaeleigh Stinedurf, PT, DPTPhysical Therapist1003509555
Verify Chong So in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 245826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,228 Medicare Part D claims for 249 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 133 claims were for opioids.
Most prescribed
- Atorvastatin Calcium293 claims
- Lisinopril225 claims
- Gabapentin180 claims
- Amlodipine Besylate168 claims
- Omeprazole137 claims
- Albuterol Sulfate Hfa114 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: $1,809.65
82 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Lgh Medical Group, Inc.Dracut, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chong So among 2,265 family medicine physician records in Massachusetts
Chong So, DO 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2006 among the 1,529 with a school on file
- Record last updated2017 · 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).
5 family medicine physician records list a practice address in Dracut
They are 5 of the 267 NPPES records with a practice address in Dracut, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Dracut → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Pardeep Aujla, M.D.Dracut, MA 018261932490687
- Joseph Dulac, MDDracut, MA 018261760421234
- Nasim Ghaffar, M.D.Dracut, MA 018261770554032
- Margaret Mills, MDDracut, MA 018261457325722
- Ghazala Alam, M.D.Chelmsford, MA 018241225007313
- Rajni Aneja, M.D.Chelmsford, MA 018241811958911
- Deirdre Connolly, MDChelmsford, MA 018241124076120
- Arthur Haffner, M.D.Chelmsford, MA 018241548245277
Common questions
What is Chong So, DO's NPI number?
Chong So, DO's National Provider Identifier (NPI) is 1972561231, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chong So, DO located?
The NPPES record lists a practice address at 1595 Bridge St, Dracut, MA, 01826. Phone: (978) 323-2808. Providers update this record themselves, so call before visiting.
How can I verify Chong So, DO's license?
NPPES lists Massachusetts license number 245826, 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 Chong So, DO prescribe under Medicare Part D?
In 2024, Chong So, DO had 4,228 Medicare Part D claims for 249 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.