Douglas Stewart Fritz, M.D.
Internal Medicine Physician · Lynnfield, MA
Douglas Stewart Fritz, M.D. is an internal medicine physician with a practice address in Lynnfield, Massachusetts, and NPI 1336360742, issued on May 1, 2007. Check the license (Massachusetts 248242, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Douglas Stewart Fritz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 248242 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Kimball LN Ste 120, Lynnfield, MA 01940
- Phone
- (781) 213-4040
- Enumerated
- May 1, 2007
- Record last updated
- Jun 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (781) 213-5064
- Medicaid ID
- 110091141A MA
- Medicare enrollment
- Enrolled (PECOS I20230116000653); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6 Kimball LN Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Coffey, FNPFamily Nurse Practitioner1376998914
Verify Douglas Stewart Fritz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 248242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average internal medicine physician in 2024
4,081 Medicare Part D claims for 368 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 365 claims were for opioids.
Most prescribed
- Alprazolam141 claims
- Atorvastatin Calcium139 claims
- Lisinopril125 claims
- Oxycodone-Acetaminophen124 claims
- Amlodipine Besylate115 claims
- Omeprazole103 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: $21.92
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 2 group practices
- Mass General Brigham Medical Group, Inc.Salem, NH
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 internal medicine physician records list a practice address in Lynnfield
They are 2 of the 177 NPPES records with a practice address in Lynnfield, and 6,825 internal medicine physician records in Massachusetts.
All 2 in Lynnfield → All 6,825 in Massachusetts → Every provider in Lynnfield →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Douglas Stewart Fritz, M.D.'s NPI number?
Douglas Stewart Fritz, M.D.'s National Provider Identifier (NPI) is 1336360742, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Stewart Fritz, M.D. located?
The NPPES record lists a practice address at 6 Kimball LN Ste 120, Lynnfield, MA, 01940. Phone: (781) 213-4040. Providers update this record themselves, so call before visiting.
How can I verify Douglas Stewart Fritz, M.D.'s license?
NPPES lists Massachusetts license number 248242, 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 Douglas Stewart Fritz, M.D. prescribe under Medicare Part D?
In 2024, Douglas Stewart Fritz, M.D. had 4,081 Medicare Part D claims for 368 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.