Kathleen E. Koehler, MD
Internal Medicine Physician · Vineyard Haven, MA
Kathleen E. Koehler, MD is an internal medicine physician with a practice address in Vineyard Haven, Massachusetts, and NPI 1013967140, issued on May 11, 2006. Check the license (Massachusetts 49598, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kathleen E. Koehler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 49598 MA
Self-reported in NPPES; status is on the state search - Practice location
- 364 State RD, Vineyard Haven, MA 02568
- Phone
- (508) 693-4400
- Enumerated
- May 11, 2006
- Record last updated
- Jun 11, 2024
- Fax
- (508) 693-2098
- Medicaid ID
- 2029341 MA
- Medicare enrollment
- Enrolled (PECOS I20040324000267); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1975
- 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 364 State RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kara Rogers, CRNA, FNP-CFamily Nurse Practitioner1427036078
- Sarah Shannon, APRNFamily Nurse Practitioner1467295519
Verify Kathleen E. Koehler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 49598Check 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% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,103 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium251 claims
- Losartan Potassium164 claims
- Levothyroxine Sodium136 claims
- Hydrochlorothiazide131 claims
- Lisinopril125 claims
- Amlodipine Besylate112 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: $257.73
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- Vineyard Medical Care LLCVineyard Haven, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen E. Koehler among 6,825 internal medicine physician records in Massachusetts
Kathleen E. Koehler, 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
- Graduated1975 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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).
Internal Medicine Physician providers in Massachusetts
There are 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Vineyard Haven → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Randy Caplan, D.O.Wareham, MA 025711336136399
- Kevin Delahanty, M.D.Wareham, MA 025711639272909
- Sirjana Dhungana Parajuli, MDWareham, MA 025711063606473
- Thomas Geagan, MDWareham, MA 025711699735647
- Robert McGowen, MDWareham, MA 025711285637405
- Daniel MillerWareham, MA 025711982920591
- Radford Reynolds, MDWareham, MA 025711477655231
- Rose Shorter, MDWareham, MA 025711861430852
Common questions
What is Kathleen E. Koehler, MD's NPI number?
Kathleen E. Koehler, MD's National Provider Identifier (NPI) is 1013967140, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen E. Koehler, MD located?
The NPPES record lists a practice address at 364 State RD, Vineyard Haven, MA, 02568. Phone: (508) 693-4400. Providers update this record themselves, so call before visiting.
How can I verify Kathleen E. Koehler, MD's license?
NPPES lists Massachusetts license number 49598, 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 Kathleen E. Koehler, MD prescribe under Medicare Part D?
In 2024, Kathleen E. Koehler, MD had 3,103 Medicare Part D claims for 268 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.