Dr. David M. Sachtleben, MD
- Medicare services, 2024
- 3,999
- Medicare patients, 2024
- 568
- Part D claims, 2024
- 12,441
- Hospital affiliations
- 6
- Industry payments
- $426
- Practice address
- 120 W 22nd St, Oak Brook, IL 60523
- Practice phone
- Call (708) 352-5222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nani Internal Med
Oak Brook, Illinois
Find Dr. Sachtleben'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. David M. Sachtleben is an internist in Oak Brook, Illinois
Dr. Sachtleben practices at Nani Internal Med in Oak Brook, Illinois.
Dr. Sachtleben's NPI, 1861450447, was assigned on May 3, 2006. Dr. Sachtleben graduated from Loyola University of Chicago, Stritch School of Medicine in 1992. Dr. Sachtleben holds Illinois license 36089647.
- NPI
- 1861450447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204963200
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Practice phone
- (708) 352-5222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David M. Sachtleben practices at Nani Internal Med in Oak Brook, Illinois
Dr. Sachtleben's primary practice is Nani Internal Med, at 120 W 22nd St, Oak Brook, IL 60523 in Dupage County. The practice phone is (708) 352-5222.
- Nani Internal Med120 W 22nd St, Oak Brook, IL 60523 · Dupage CountyPhone(708) 352-5222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David M. Sachtleben is affiliated with 12 sites of care and 3 medical groups
Dr. Sachtleben's primary practice is Nani Internal Med in Oak Brook, Illinois. Dr. Sachtleben is also affiliated with Loyola University Medical Center. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Sachtleben to 5 more hospitals, 3 group practices and clinics, 2 home health agencies and 2 medical groups, each 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. David M. Sachtleben's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sachtleben practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nani Internal Med | Available with a free account |
| +11 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David M. Sachtleben is one of 5,652 internists in Illinois
Internal medicine is Dr. Sachtleben's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sachtleben is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Sachtleben
Counts of internists 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. David M. Sachtleben billed Medicare for 3,999 services in 2024
CMS data shows 3,999 Medicare services from Dr. Sachtleben across 14 procedure codes in 2024, for 568 Medicare patients. Medicare paid $256,090 for them. Every service was in an office.
Dr. Sachtleben's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,9412024: 2,64810%
- Other services
- 2023: 5092024: 1,142124%
- Tests and treatments
- 2023: 1862024: 20912%
Dr. Sachtleben compared with the Illinois median for internists, 2024
- Dr. Sachtleben
- Illinois median
- Medicare services
- 3,999vs 5667.1 times
- Medicare patients
- 568vs 2082.7 times
- Part D claims
- 11,629vs 28440.9 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Sachtleben'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.
Need commercial claims for Dr. Sachtleben?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sachtleben and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David M. Sachtleben treated 568 Medicare patients in 2024, average age 76
CMS counts 568 Medicare patients who saw Dr. Sachtleben in 2024. The largest group is 65 to 74, with 243 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sachtleben's median patient age at 72, with 42% women.
Dr. Sachtleben's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sachtleben's Medicare patients by sex, 2024
- Women27248%
- Men29652%
Chronic conditions among Dr. Sachtleben's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Ischemic heart disease29%
- Diabetes26%
- Cancer21%
- Chronic kidney disease21%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sachtleben's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David M. Sachtleben wrote 12,441 Medicare Part D claims in 2024
In 2024, Dr. Sachtleben wrote 12,441 Medicare Part D claims for 770 patients. 88% of them were for generic drugs. CMS names the drug for 11,629 of them, across 125 drugs with 11 or more claims each, at $751,861 in total drug cost. In 2023, CMS named 10,645 claims across 129 drugs.
Dr. Sachtleben's Part D claims by kind of drug, 2024
- Generic10,919 claims88%
- Brand-name1,431 claims12%
- Other91 claims1%
Dr. Sachtleben'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. Sachtleben's Part D claims, 2024
- Opioids1%80 of 12,441 claims
- Antibiotics4%492 of 12,441 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: 10,6452024: 11,6299%
Drugs named by CMS: 125 in 2024, 129 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
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Dr. David M. Sachtleben received $426 in industry payments from 2016 to 2023
CMS Open Payments shows 16 general payments to Dr. Sachtleben from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $155.
General payments to Dr. Sachtleben by program year, 2016 to 2023
Companies that paid Dr. Sachtleben the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David M. Sachtleben graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Sachtleben graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David M. Sachtleben'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) |
| 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. David M. Sachtleben
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. David M. Sachtleben's NPI number?
Dr. David M. Sachtleben's NPI number is 1861450447. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David M. Sachtleben?
Dr. David M. Sachtleben is an internist in Oak Brook, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David M. Sachtleben practice?
Dr. Sachtleben practices at 120 W 22nd St, Oak Brook, IL 60523. Dr. Sachtleben's primary practice is Nani Internal Med in Oak Brook, Illinois. Dmand AI also links Dr. Sachtleben to 5 hospitals, 3 group practices and clinics, 2 home health agencies and 2 medical groups.
What is Dr. David M. Sachtleben's office phone number?
The practice phone on file for Dr. Sachtleben is (708) 352-5222.
What is Dr. David M. Sachtleben's medical license number?
Dr. Sachtleben holds Illinois license 36089647.
Which hospitals is Dr. David M. Sachtleben affiliated with?
Dr. Sachtleben is affiliated with Loyola University Medical Center. Dmand AI links Dr. Sachtleben to 5 more hospitals.
What medical group is Dr. David M. Sachtleben part of?
Dr. Sachtleben is linked to Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI links Dr. Sachtleben to 2 more medical groups.
Does Dr. David M. Sachtleben accept Medicare?
Yes. CMS data shows Dr. Sachtleben billed Medicare for 3,999 services in 2024.
How many Medicare patients does Dr. David M. Sachtleben see?
CMS counts 568 Medicare patients who saw Dr. Sachtleben in 2024, with an average age of 76.
What services does Dr. David M. Sachtleben bill to Medicare?
In 2024, Dr. Sachtleben's most billed Medicare services were care management and other visits (99490), office visit, established patient (99214) and medicare service (G2211).
Show 4 more questionsShow fewer questions
Where did Dr. David M. Sachtleben go to medical school?
Dr. Sachtleben graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
What drugs does Dr. David M. Sachtleben prescribe most?
In 2024 Medicare Part D data, Dr. Sachtleben's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. David M. Sachtleben received payments from drug or device companies?
CMS Open Payments shows $426 in general payments to Dr. Sachtleben from 8 companies from 2016 to 2023. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. David M. Sachtleben been practicing?
Dr. Sachtleben graduated from medical school in 1992, 34 years ago.
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