Martin Nathan Sachman, MD
Internal Medicine Physician · Northbrook, IL
Martin Nathan Sachman, MD is an internal medicine physician with a practice address in Northbrook, Illinois, and NPI 1629186846, issued on Aug 28, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Martin Nathan Sachman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1535 Lake Cook RD, Northbrook, IL 60062
- Phone
- (847) 564-5200
- Enumerated
- Aug 28, 2006
- Record last updated
- Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 564-5250
- Medicare enrollment
- Enrolled (PECOS I20040316001299); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1975
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1535 Lake Cook RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martin Nathan Sachman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average internal medicine physician in 2024
4,817 Medicare Part D claims for 253 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 131 claims were for opioids.
Most prescribed
- Atorvastatin Calcium293 claims
- Amlodipine Besylate175 claims
- Rosuvastatin Calcium127 claims
- Metoprolol Succinate122 claims
- Levothyroxine Sodium120 claims
- Pantoprazole Sodium117 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.
Martin Nathan Sachman among 7,238 internal medicine physician records in Illinois
Martin Nathan Sachman, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1975 · median 2003 among the 3,580 with a school on file
- Record last updated2007 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 internal medicine physician records list a practice address in Northbrook
They are 26 of the 2,226 NPPES records with a practice address in Northbrook, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Northbrook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nadeem Akhter, M.D.Northbrook, IL 600621235176074
- Lynne Belsky, MDNorthbrook, IL 600621265499438
- Gene Chiao, MDNorthbrook, IL 600621699733188
- Boris Gurevich, M.D.Northbrook, IL 600621902877129
- Richard Katz, MDNorthbrook, IL 600621205924230
- Cori Levinson, M.D.Northbrook, IL 600621356385389
- Meena Malhotra, MDNorthbrook, IL 600621821191958
- Richard Miller, M.D.Northbrook, IL 600621811933195
Common questions
What is Martin Nathan Sachman, MD's NPI number?
Martin Nathan Sachman, MD's National Provider Identifier (NPI) is 1629186846, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin Nathan Sachman, MD located?
The NPPES record lists a practice address at 1535 Lake Cook RD, Northbrook, IL, 60062. Phone: (847) 564-5200. Providers update this record themselves, so call before visiting.
How can I verify Martin Nathan Sachman, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martin Nathan Sachman, MD prescribe under Medicare Part D?
In 2024, Martin Nathan Sachman, MD had 4,817 Medicare Part D claims for 253 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.