Christine Hardy Brown, M.D.
Internal Medicine Physician · Acton, MA
Christine Hardy Brown, M.D. is an internal medicine physician with a practice address in Acton, Massachusetts, and NPI 1588861660, issued on Jul 2, 2007. Check the license (Massachusetts 242191, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christine Hardy Brown
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 242191 MA
Self-reported in NPPES; status is on the state search - Practice location
- 321 Main St, Acton, MA 01720
- Phone
- (978) 635-8700
- Enumerated
- Jul 2, 2007
- Record last updated
- Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (978) 635-8920
- Medicaid ID
- 110089743A MA
- Medicare enrollment
- Enrolled (PECOS I20101111000519); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 321 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Bechtel, NPNurse Practitioner1144578626
- Meryl BergerNurse Practitioner1922600220
- Louis Berk, M.D.Family Medicine Physician1730501875
- Elizabeth Berman, RDN, LDNRegistered Dietitian1679949143
- Samuel BrownClinical Social Worker1336576065
- Elizabeth Burbage, RNFamily Nurse Practitioner1467108548
Verify Christine Hardy Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 242191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,971 Medicare Part D claims for 330 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium276 claims
- Losartan Potassium122 claims
- Lisinopril117 claims
- Levothyroxine Sodium111 claims
- Amlodipine Besylate89 claims
- Hydrochlorothiazide83 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.00
1 payment: education; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Acton Medical Associates PCActon, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Hardy Brown among 6,825 internal medicine physician records in Massachusetts
Christine Hardy Brown, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2004 among the 4,103 with a school on file
- Record last updated2016 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Acton
They are 17 of the 556 NPPES records with a practice address in Acton, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Acton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amy Churchill, MDActon, MA 017201033171749
- Peter Demartino, M.D.Acton, MA 017201043292360
- Allessandro Girolamo, M.D.Acton, MA 017201689636300
- Ingrid Gorman, M.D.Acton, MA 017201053302158
- Edwin Knights, MDActon, MA 017201801885512
- Deborah Kovacs, MDActon, MA 017201386634772
- Teli Leung-Galecki, M.D.Acton, MA 017201043363088
- Amy Lo, M.D.Acton, MA 017201174783526
Common questions
What is Christine Hardy Brown, M.D.'s NPI number?
Christine Hardy Brown, M.D.'s National Provider Identifier (NPI) is 1588861660, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christine Hardy Brown, M.D. located?
The NPPES record lists a practice address at 321 Main St, Acton, MA, 01720. Phone: (978) 635-8700. Providers update this record themselves, so call before visiting.
How can I verify Christine Hardy Brown, M.D.'s license?
NPPES lists Massachusetts license number 242191, 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 Christine Hardy Brown, M.D. prescribe under Medicare Part D?
In 2024, Christine Hardy Brown, M.D. had 1,971 Medicare Part D claims for 330 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Christine Hardy Brown, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.