Dr. Andrew J. Kramer, MD
- Medicare services, 2024
- 203
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 44
- Hospital affiliations
- 1
- Industry payments
- $16,279
- Practice address
- 2455 Dean St, Saint Charles, IL 60175
- Practice phone
- Call (630) 584-9800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Ambulatory Surgery Center, LP
Saint Charles, Illinois
Find Dr. Kramer's 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. Andrew J. Kramer is a general surgeon in Saint Charles, Illinois
Dr. Kramer practices at Valley Ambulatory Surgery Center, LP in Saint Charles, Illinois.
Dr. Kramer's NPI, 1700881737, was assigned on June 16, 2005. Dr. Kramer holds Illinois license 036084322.
- NPI
- 1700881737NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921293580
- NPI enumeration date
- June 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 584-9800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew J. Kramer practices at Valley Ambulatory Surgery Center, LP in Saint Charles, Illinois
Dr. Kramer's primary practice is Valley Ambulatory Surgery Center, LP, at 2455 Dean St, Saint Charles, IL 60175 in Kane County. The practice phone is (630) 584-9800.
- Valley Ambulatory Surgery Center, LP2455 Dean St, Saint Charles, IL 60175 · Kane CountyPhone(630) 584-9800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew J. Kramer is affiliated with 3 sites of care and 1 medical group
Dr. Kramer's primary practice is Valley Ambulatory Surgery Center, LP in Saint Charles, Illinois. Dr. Kramer is also affiliated with Northwestern Medicine Delnor Hospital. The medical group on file is Surgery Group SC. Dmand AI also links Dr. Kramer to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrew J. Kramer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kramer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Ambulatory Surgery Center, LP | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew J. Kramer is one of 1,217 general surgeons in Illinois
Surgery is Dr. Kramer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kramer is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Kramer
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. Andrew J. Kramer billed Medicare for 203 services in 2024
CMS data shows 203 Medicare services from Dr. Kramer across 8 procedure codes in 2024, for 159 Medicare patients. Medicare paid $18,703 for them.
Dr. Kramer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1882024: 1861%
- Other services
- 2023: 02024: 17
- Surgery
- 2023: 152024: 0100%
Where Dr. Kramer's Medicare services took place, 2024
- In an office12059%
- In a facility8341%
Dr. Kramer compared with the Illinois median for general surgeons, 2024
- Dr. Kramer
- Illinois median
- Medicare services
- 203vs 194Close to median
- Medicare patients
- 159vs 14410% above
- Part D claims
- 25vs 2811% below
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Kramer'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. Kramer and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew J. Kramer treated 159 Medicare patients in 2024, average age 74
CMS counts 159 Medicare patients who saw Dr. Kramer in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kramer's median patient age at 64, with 41% women.
Dr. Kramer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kramer's Medicare patients by sex, 2024
- Women6943%
- Men9057%
Chronic conditions among Dr. Kramer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis38%
- Diabetes31%
- Ischemic heart disease25%
- Atrial fibrillation23%
- Cancer23%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kramer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew J. Kramer wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Kramer wrote 44 Medicare Part D claims for 31 patients. 100% of them were for generic drugs. CMS names the drug for 25 of them, across 1 drug with 11 or more claims each, at $123 in total drug cost. In 2023, CMS named 28 claims across 2 drugs.
Dr. Kramer'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.
Drug classes CMS tracks in Dr. Kramer's Part D claims, 2024
- Opioids57%25 of 44 claims
- Antibiotics39%17 of 44 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 282024: 2511%
Drugs named by CMS: 1 in 2024, 2 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. Andrew J. Kramer ranks in the 75th percentile for hernia repair (minimally invasive) in Medicare
Dr. Kramer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of hernia repair (minimally invasive) by Dr. Kramer, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kramer ranks in Medicare procedure volume
- Colonoscopy
- 57th percentile36 procedures
- Hernia repair (minimally invasive)
- 75th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Andrew J. Kramer received $16,279 in industry payments from 2016 to 2025
CMS Open Payments shows 85 general payments to Dr. Kramer from 24 drug and device companies from 2016 to 2025. Education make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $11,525.
General payments to Dr. Kramer by program year, 2016 to 2025
General payments to Dr. Kramer by kind, 2016 to 2025
- Education$11,02068%
- Travel and lodging$2,70717%
- Food and beverage$2,55216%
Companies that paid Dr. Kramer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Andrew J. Kramer'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Andrew J. Kramer
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. Andrew J. Kramer's NPI number?
Dr. Andrew J. Kramer's NPI number is 1700881737. It was assigned on June 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew J. Kramer?
Dr. Andrew J. Kramer is a general surgeon in Saint Charles, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Andrew J. Kramer practice?
Dr. Kramer practices at 2455 Dean St, Saint Charles, IL 60175. Dr. Kramer's primary practice is Valley Ambulatory Surgery Center, LP in Saint Charles, Illinois. Dmand AI also links Dr. Kramer to 1 group practice or clinic.
What is Dr. Andrew J. Kramer's office phone number?
The practice phone on file for Dr. Kramer is (630) 584-9800.
What is Dr. Andrew J. Kramer's medical license number?
Dr. Kramer holds Illinois license 036084322.
Which hospitals is Dr. Andrew J. Kramer affiliated with?
Dr. Kramer is affiliated with Northwestern Medicine Delnor Hospital.
What medical group is Dr. Andrew J. Kramer part of?
Dr. Kramer is linked to Surgery Group SC.
Does Dr. Andrew J. Kramer accept Medicare?
Yes. CMS data shows Dr. Kramer billed Medicare for 203 services in 2024, and Dr. Kramer accepts Medicare assignment.
How many Medicare patients does Dr. Andrew J. Kramer see?
CMS counts 159 Medicare patients who saw Dr. Kramer in 2024, with an average age of 74.
What services does Dr. Andrew J. Kramer bill to Medicare?
In 2024, Dr. Kramer's most billed Medicare services were hospital inpatient care (99231), office visit, new patient (99204) and office visit, new patient (99205).
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What drugs does Dr. Andrew J. Kramer prescribe most?
In 2024 Medicare Part D data, Dr. Kramer's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Andrew J. Kramer received payments from drug or device companies?
CMS Open Payments shows $16,279 in general payments to Dr. Kramer from 24 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Andrew J. Kramer been practicing?
Dr. Kramer graduated from medical school in 1986, 40 years ago.
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