Analgesics, OpioidClinical CompetenceDrug and Narcotic Control
Dr. Evan Mitchell Klass, MD
NPI1083785174
- Medicare services, 2023
- 208
- Part D claims, 2024
- 37
- Publications
- 3
- Industry payments
- $360
- Medical group
- 1
- Practice address
- 27 Park Street, Hyannis, MA
- Practice phone
- Call (508) 771-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klass' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Evan Mitchell Klass is an endocrinologist in Hyannis, Massachusetts
Dr. Klass practices at Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Dr. Klass' NPI, 1083785174, was assigned on November 13, 2006. Dr. Klass graduated from New York Medical College in 1976. Dr. Klass holds Nevada license 12641.
NPI and contact details
- NPI
- 1083785174NPI Registry (opens in a new tab)
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Practice phone
- (508) 771-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Evan Mitchell Klass practices at Cape Cod Hospital in Hyannis, Massachusetts
Dr. Klass' primary practice is Cape Cod Hospital, at 27 Park Street, Hyannis, MA in Barnstable County. The practice phone is (508) 771-1800.
- Cape Cod Hospital27 Park Street, Hyannis, MA · Barnstable CountyPhone(508) 771-1800
Source: Dmand AI Affiliation Data
Dr. Evan Mitchell Klass is affiliated with 1 medical group
Dr. Klass' primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. The medical group on file is Medical Affiliates of Cape Cod (MACC).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Evan Mitchell Klass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klass practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cape Cod Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Klass practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cape Cod Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Evan Mitchell Klass is one of 448 endocrinologists in Massachusetts
Endocrinology, diabetes and metabolism is Dr. Klass' primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dmand AI has Dr. Klass' licenses on file in 2 states: Nevada and New York.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, NevadaPrimary
- New York license
Endocrinologists near Dr. Klass
Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.
448endocrinologists in Massachusetts
5endocrinologists in Hyannis
3endocrinologists at Cape Cod HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Evan Mitchell Klass billed Medicare for 208 services in 2023
CMS data shows 208 Medicare services from Dr. Klass across 4 procedure codes in 2023. Medicare paid $8,788 for them. Every service was in an office.
Medicare services, 2023208
Paid by Medicare$8,788
Procedure codes4
Dr. Klass' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6272023: 13479%
- Lab and pathology
- 2022: 1872023: 5571%
- Tests and treatments
- 2022: 342023: 1944%
Dr. Klass compared with the Massachusetts median for endocrinologists, 2023
- Dr. Klass
- Massachusetts median
- Medicare services
- 208vs 40048% below
- Part D claims
- 875vs 72022% above
Medians across 434 endocrinologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Klass' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Klass?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klass and other endocrinologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Evan Mitchell Klass' patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Klass' median patient age at 77, with 50% women.
Dr. Klass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women50%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Evan Mitchell Klass wrote 37 Medicare Part D claims in 2024
In 2024, Dr. Klass wrote 37 Medicare Part D claims for 24 patients. They cover 27 drugs, with $605,681 in total drug cost. In 2022, CMS named 1,547 claims across 39 drugs.
Part D claims, 202437
Drugs named by CMS27
Total drug cost$605,681
Part D patients24
Dr. Klass' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,5472023: 87543%
Drugs named by CMS: 27 in 2023, 39 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find endocrinologists like Dr. Klass by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Evan Mitchell Klass has 3 publications on record
Dmand AI links 3 papers to Dr. Klass, published from 2014 to 2018.
Papers3
Years published2014 to 2018
Recent publications by Dr. Klass
J Cancer Res Clin Oncol
Body Mass IndexCarcinoma, PapillaryObesity
BeveragesCitrus paradisiCross-Over Studies
See who Dr. Klass researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klass works with, so you can find a warm path to the right endocrinologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Evan Mitchell Klass received $360 in industry payments from 2018 to 2022
CMS Open Payments shows 18 general payments to Dr. Klass from 14 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $66.
General payments to Dr. Klass by program year, 2018 to 2022
Companies that paid Dr. Klass the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Evan Mitchell Klass graduated from New York Medical College
Dr. Klass graduated from New York Medical College in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Evan Mitchell Klass's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Evan Mitchell Klass
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Evan Mitchell Klass' NPI number?
Dr. Evan Mitchell Klass' NPI number is 1083785174. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Evan Mitchell Klass?
Dr. Evan Mitchell Klass is an endocrinologist in Hyannis, Massachusetts. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Evan Mitchell Klass practice?
Dr. Klass practices at 27 Park Street, Hyannis, MA. Dr. Klass' primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
What is Dr. Evan Mitchell Klass' office phone number?
The practice phone on file for Dr. Klass is (508) 771-1800.
What is Dr. Evan Mitchell Klass' medical license number?
Dr. Klass holds Nevada license 12641, one of the licenses on file in 2 states.
Which states has Dr. Evan Mitchell Klass been licensed in?
Dmand AI has state licenses on file for Dr. Klass in Nevada and New York.
Which hospitals is Dr. Evan Mitchell Klass affiliated with?
Dr. Klass practices at Cape Cod Hospital in Hyannis, Massachusetts.
What medical group is Dr. Evan Mitchell Klass part of?
Dr. Klass is linked to Medical Affiliates of Cape Cod (MACC).
Does Dr. Evan Mitchell Klass accept Medicare?
Yes. CMS data shows Dr. Klass billed Medicare for 208 services in 2023.
What services does Dr. Evan Mitchell Klass bill to Medicare?
In 2023, Dr. Klass' most billed Medicare services were office visit, established patient (99214), lab and pathology test (83036) and office visit, established patient (99213).
Show 5 more questionsShow fewer questions
Where did Dr. Evan Mitchell Klass go to medical school?
Dr. Klass graduated from New York Medical College in 1976.
What drugs does Dr. Evan Mitchell Klass prescribe most?
In 2023 Medicare Part D data, Dr. Klass' most prescribed drugs by claims were Jardiance, Levothyroxine Sodium and Trulicity.
Has Dr. Evan Mitchell Klass received payments from drug or device companies?
CMS Open Payments shows $360 in general payments to Dr. Klass from 14 companies from 2018 to 2022. The largest total came from Novo Nordisk Inc.
How long has Dr. Evan Mitchell Klass been practicing?
Dr. Klass graduated from medical school in 1976, 50 years ago.
Does Dr. Evan Mitchell Klass do research?
Dmand AI links 3 publications to Dr. Klass, published from 2014 to 2018.
Selling to endocrinology, diabetes and metabolism practices?
See endocrinologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card