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
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 428-6720
- Medicaid ID
- 3151506 MA
- Medicare enrollment
- Enrolled (PECOS I20070130000433); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
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).
Mark Collins among 6,825 internal medicine physician records in Massachusetts
Mark Collins, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 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).
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 6,825 in Massachusetts → Every provider in Osterville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Jaques, M.D.Osterville, MA 026551750365227
- Catherine Mullin, FNPOsterville, MA 026551952986721
- Roxanne Cumming, MDOrleans, MA 026531770547564
- Brian Daggett, MDOrleans, MA 026531114925716
- Pamela French,, MDProvincetown, MA 026571134721392
- Andrew Jorgensen, M.D.Provincetown, MA 026571134106271
- Donna Krauth, M.D.Provincetown, MA 026571548286321
- Brian O'Malley, M.D.Provincetown, MA 026571083653646
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), 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.