Caitlin G. Waters, MD
Internal Medicine Physician · North Chelmsford, MA
Caitlin G. Waters, MD is an internal medicine physician with a practice address in North Chelmsford, Massachusetts, and NPI 1841600178, issued on May 8, 2014. Check the license (Massachusetts 277373, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Caitlin G. Waters
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 277373 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Research PL Ste 310, North Chelmsford, MA 01863
- Phone
- (978) 459-2152
- Enumerated
- May 8, 2014
- Record last updated
- Nov 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (978) 452-7285
- Medicare enrollment
- Enrolled (PECOS I20181219002796); accepts Medicare assignment
- 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 20 Research PL Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua GoldbergInternal Medicine Physician1699320432
- Susan Jamieson, NPNurse Practitioner1245306448
- Prarthana Kumari, FNPNurse Practitioner1831566215
- Marva Murphy, APRNNurse Practitioner1407941420
Verify Caitlin G. Waters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 277373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,941 Medicare Part D claims for 289 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium108 claims
- Lisinopril84 claims
- Amlodipine Besylate78 claims
- Gabapentin55 claims
- Hydrochlorothiazide52 claims
- Metoprolol Succinate46 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: $16.88
1 payment: food and beverage; the largest payer was Inspire Medical Systems, 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
- Lgh Professional Services LLCNorth Chelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin G. Waters among 6,825 internal medicine physician records in Massachusetts
Caitlin G. Waters, 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 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2004 among the 4,103 with a school on file
- Record last updated2018 · 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).
5 internal medicine physician records list a practice address in North Chelmsford
They are 5 of the 159 NPPES records with a practice address in North Chelmsford, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in North Chelmsford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bertos, M.D.N Chelmsford, MA 018631043245145
- Louis Bresnick, M.D.N Chelmsford, MA 018631205861390
- Jacqueline Chu, MDNorth Chelmsford, MA 018631619359858
- Joshua GoldbergNorth Chelmsford, MA 018631699320432
- Philip Tavano, M.D.N Chelmsford, MA 018631710919238
- Jessica Wieselquist, MDNorth Chelmsford, MA 018631144255712
- Timothy Wymer, M.D.North Chelmsford, MA 018631376937268
- Tatiana Bernde Aime Noel, MDN Billerica, MA 018621588061964
Common questions
What is Caitlin G. Waters, MD's NPI number?
Caitlin G. Waters, MD's National Provider Identifier (NPI) is 1841600178, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin G. Waters, MD located?
The NPPES record lists a practice address at 20 Research PL Ste 310, North Chelmsford, MA, 01863. Phone: (978) 459-2152. Providers update this record themselves, so call before visiting.
How can I verify Caitlin G. Waters, MD's license?
NPPES lists Massachusetts license number 277373, 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 Caitlin G. Waters, MD prescribe under Medicare Part D?
In 2024, Caitlin G. Waters, MD had 1,941 Medicare Part D claims for 289 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.