Andrew O. Nichols, MD
Internal Medicine Physician · Lexington, MA
Andrew O. Nichols, MD is an internal medicine physician with a practice address in Lexington, Massachusetts, and NPI 1598762858, issued on Jul 1, 2005. Check the license (Massachusetts 72779, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew O. Nichols
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 72779 MA
Self-reported in NPPES; status is on the state search - Practice location
- 57 Bedford St, Lexington, MA 02420
- Phone
- (781) 862-7500
- Enumerated
- Jul 1, 2005
- Record last updated
- Mar 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (781) 861-1409
- Medicaid ID
- 3074439 MA
- Medicare enrollment
- Enrolled (PECOS I20050426001344); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1984
- 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 57 Bedford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew O. Nichols in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average internal medicine physician in 2024
5,475 Medicare Part D claims for 350 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium399 claims
- Amlodipine Besylate306 claims
- Lisinopril275 claims
- Levothyroxine Sodium262 claims
- Omeprazole175 claims
- Rosuvastatin Calcium172 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
- Mount Auburn Professional Services IncLexington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew O. Nichols among 6,825 internal medicine physician records in Massachusetts
Andrew O. Nichols, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1984 · median 2004 among the 4,103 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Lexington
They are 36 of the 1,467 NPPES records with a practice address in Lexington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Zaim Badra, M.D.Lexington, MA 024201093762726
- Susan Elizabeth Blankenship, M.D.Lexington, MA 024201588603575
- Wayne Brown, M.D., M.SC., M.P.H.Lexington, MA 024201831136555
- Jesus Caro, M.D.Lexington, MA 024201124086145
- Lisa Gilbert, M.D.Lexington, MA 024201962517920
- Sunita Hanjura, M.D.Lexington, MA 024201891727327
- David Ives, MDLexington, MA 024201457399453
- Noor Kassamali, MDLexington, MA 024201326004870
Common questions
What is Andrew O. Nichols, MD's NPI number?
Andrew O. Nichols, MD's National Provider Identifier (NPI) is 1598762858, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Andrew O. Nichols, MD located?
The NPPES record lists a practice address at 57 Bedford St, Lexington, MA, 02420. Phone: (781) 862-7500. Providers update this record themselves, so call before visiting.
How can I verify Andrew O. Nichols, MD's license?
NPPES lists Massachusetts license number 72779, 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 Andrew O. Nichols, MD prescribe under Medicare Part D?
In 2024, Andrew O. Nichols, MD had 5,475 Medicare Part D claims for 350 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.