Mark Collins, MD
Internal Medicine Physician · Osterville, MA
Mark Collins, MD is an internal medicine physician with a practice address in Osterville, Massachusetts, and NPI 1255368494, issued on Jun 26, 2006. Check the license (Massachusetts 150315, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Collins
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 150315 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Osterville - West Barnstable RD, Osterville, MA 02655
- Phone
- (508) 428-2620
- Enumerated
- Jun 26, 2006
- Entity
- Type 1 · individual
Verify Mark Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 150315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,365 Medicare Part D claims for 885 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 310 claims were for opioids.
Most prescribed
- Atorvastatin Calcium382 claims
- Levothyroxine Sodium200 claims
- Amlodipine Besylate192 claims
- Rosuvastatin Calcium179 claims
- Gabapentin164 claims
- Prednisone147 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: $664.80
29 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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
- Cape Cod Primary Care LLCOsterville, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 internal medicine physician records list a practice address in Osterville
They are 3 of the 45 NPPES records with a practice address in Osterville, and 6,825 internal medicine physician records in Massachusetts.
All 3 in Osterville → All 6,825 in Massachusetts → Every provider in Osterville →
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 Mark Collins, MD's NPI number?
Mark Collins, MD's National Provider Identifier (NPI) is 1255368494, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Collins, MD located?
The NPPES record lists a practice address at 10 Osterville - West Barnstable RD, Osterville, MA, 02655. Phone: (508) 428-2620. Providers update this record themselves, so call before visiting.
How can I verify Mark Collins, MD's license?
NPPES lists Massachusetts license number 150315, 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 Mark Collins, MD prescribe under Medicare Part D?
In 2024, Mark Collins, MD had 6,365 Medicare Part D claims for 885 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), loaded Aug 27, 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 27, 2026.