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Dr. Michaela Simcha Klein, DO
NPI1043330285PAC ID6901075522
- Medicare services, 2024
- 1,897
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 59
- Publications
- 2
- Industry payments
- $3,403
- Practice address
- 1640 N Arlington Heights Rd, Arlington Heights, IL 60004
- Practice phone
- Call (847) 255-7400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apollo Surgical Center, LLC
Arlington Heights, Illinois
Find Dr. Klein's professional email, personal email and mobile number
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Dr. Michaela Simcha Klein is a general surgeon in Arlington Heights, Illinois
Dr. Klein practices at Apollo Surgical Center, LLC in Arlington Heights, Illinois.
Dr. Klein's NPI, 1043330285, was assigned on March 30, 2007. Dr. Klein graduated from Midwestern University, Chicago College of Osteopathic Med in 2004. Dr. Klein holds Illinois license 036142139.
NPI and contact details
- NPI
- 1043330285NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901075522
- NPI enumeration date
- March 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 255-7400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michaela Simcha Klein practices at Apollo Surgical Center, LLC in Arlington Heights, Illinois
Dr. Klein's primary practice is Apollo Surgical Center, LLC, at 1640 N Arlington Heights Rd, Arlington Heights, IL 60004 in Cook County. The practice phone is (847) 255-7400.
- Apollo Surgical Center, LLC1640 N Arlington Heights Rd, Arlington Heights, IL 60004 · Cook CountyPhone(847) 255-7400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michaela Simcha Klein is affiliated with 2 sites of care and 2 medical groups
Dr. Klein's primary practice is Apollo Surgical Center, LLC in Arlington Heights, Illinois. The medical group on file is United Vein & Vascular Centers. Dmand AI also links Dr. Klein to 1 more group practice or clinic and 1 medical group, each named with a free account.
Apollo Surgical Center, LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michaela Simcha Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apollo Surgical Center, LLC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michaela Simcha Klein is one of 1,217 general surgeons in Illinois
Surgery is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Klein is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Klein
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michaela Simcha Klein billed Medicare for 1,897 services in 2024
CMS data shows 1,897 Medicare services from Dr. Klein across 15 procedure codes in 2024, for 204 Medicare patients. Medicare paid $713,558 for them. Every service was in an office.
Medicare services, 20241,897
Medicare patients204
Paid by Medicare$713,558
Procedure codes15
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8792024: 64627%
- Surgery
- 2023: 8092024: 63422%
- Tests and treatments
- 2023: 8412024: 48243%
- Imaging
- 2023: 2102024: 13536%
Dr. Klein compared with the Illinois median for general surgeons, 2024
- Dr. Klein
- Illinois median
- Medicare services
- 1,897vs 1949.8 times
- Medicare patients
- 204vs 14442% above
- Part D claims
- 44vs 2857% above
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michaela Simcha Klein treated 204 Medicare patients in 2024, average age 74
CMS counts 204 Medicare patients who saw Dr. Klein in 2024. The largest group is 65 to 74, with 116 patients. 73% of them have high cholesterol, and 67% have high blood pressure. 13% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 65, with 70% women.
Medicare patients, 2024204
Average age74
Average risk score0.96
Also on Medicaid13%
Dr. Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klein's Medicare patients by sex, 2024
- Women14471%
- Men6029%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High cholesterol73%
- High blood pressure67%
- Arthritis54%
- Diabetes24%
- Anxiety22%
- Osteoporosis20%
- Ischemic heart disease19%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women70%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michaela Simcha Klein wrote 59 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 59 Medicare Part D claims for 28 patients. 25% of them were for generic drugs. CMS names the drug for 44 of them, across 1 drug with 11 or more claims each, at $29,848 in total drug cost. In 2023, CMS named 25 claims across 1 drug.
Part D claims, 202459
Drugs named by CMS1
Total drug cost$29,848
Part D patients28
Dr. Klein's Part D claims by kind of drug, 2024
- Generic15 claims25%
- Brand-name44 claims75%
Dr. Klein's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 252024: 4476%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
Dr. Michaela Simcha Klein ranks in the 99th percentile for varicose vein removal in Medicare
Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 965 procedures of varicose vein removal by Dr. Klein, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Klein ranks in Medicare procedure volume
- Varicose vein removal
- 99th percentile965 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michaela Simcha Klein has 2 publications on record
Dmand AI links 2 papers to Dr. Klein in 2024. The most frequent topics are Austria.
Papers2
Topics Dr. Klein writes about most
- Austria
Recent publications by Dr. Klein
Int J Gynecol Cancer
AdenocarcinomaAntineoplastic Combined Chemotherapy ProtocolsAustria
See who Dr. Klein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klein works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michaela Simcha Klein received $3,403 in industry payments from 2016 to 2025
CMS Open Payments shows 43 general payments to Dr. Klein from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 36% of the total. Intuitive Surgical, Inc. paid the most, $2,709.
General payments to Dr. Klein by program year, 2016 to 2025
General payments to Dr. Klein by kind, 2016 to 2025
$3.4Kin total
- Travel and lodging$1,23136%
- Food and beverage$1,17234%
- Education$1,00029%
Companies that paid Dr. Klein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michaela Simcha Klein graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Klein graduated from Midwestern University, Chicago College of Osteopathic Med in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michaela Simcha Klein'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Michaela Simcha Klein
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. Michaela Simcha Klein's NPI number?
Dr. Michaela Simcha Klein's NPI number is 1043330285. It was assigned on March 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michaela Simcha Klein?
Dr. Michaela Simcha Klein is a general surgeon in Arlington Heights, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michaela Simcha Klein practice?
Dr. Klein practices at 1640 N Arlington Heights Rd, Arlington Heights, IL 60004. Dr. Klein's primary practice is Apollo Surgical Center, LLC in Arlington Heights, Illinois. Dmand AI also links Dr. Klein to 1 group practice or clinic and 1 medical group.
What is Dr. Michaela Simcha Klein's office phone number?
The practice phone on file for Dr. Klein is (847) 255-7400.
What is Dr. Michaela Simcha Klein's medical license number?
Dr. Klein holds Illinois license 036142139.
What medical group is Dr. Michaela Simcha Klein part of?
Dr. Klein is linked to United Vein & Vascular Centers. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Michaela Simcha Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 1,897 services in 2024, and Dr. Klein accepts Medicare assignment.
How many Medicare patients does Dr. Michaela Simcha Klein see?
CMS counts 204 Medicare patients who saw Dr. Klein in 2024, with an average age of 74.
What services does Dr. Michaela Simcha Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were office visit, established patient (99213), blood vessel study (93970) and surgery: heart and blood vessels (36482).
Where did Dr. Michaela Simcha Klein go to medical school?
Dr. Klein graduated from Midwestern University, Chicago College of Osteopathic Med in 2004.
Show 4 more questionsShow fewer questions
What drugs does Dr. Michaela Simcha Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Xarelto.
Has Dr. Michaela Simcha Klein received payments from drug or device companies?
CMS Open Payments shows $3,403 in general payments to Dr. Klein from 12 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michaela Simcha Klein been practicing?
Dr. Klein graduated from medical school in 2004, 22 years ago.
Does Dr. Michaela Simcha Klein do research?
Dmand AI links 2 publications to Dr. Klein.
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