Dr. Norman Markowitz, MD
- Medicare services, 2024
- 4,167
- Medicare patients, 2024
- 501
- Part D claims, 2024
- 8,351
- Hospital affiliations
- 5
- Industry payments
- $10,690
- Practice address
- 5477 Ardon Ct, West Bloomfield, MI 48323
- Practice phone
- Call (248) 363-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Commerce Internal Medicine
West Bloomfield, Michigan
Find Dr. Markowitz'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. Norman Markowitz is an internist in West Bloomfield, Michigan
Dr. Markowitz practices at Commerce Internal Medicine in West Bloomfield, Michigan.
Dr. Markowitz's NPI, 1669425781, was assigned on May 18, 2006. Dr. Markowitz graduated from Wayne State University School of Medicine in 1987. Dr. Markowitz holds Michigan license 4301051604.
- NPI
- 1669425781NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173613387
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (248) 363-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Norman Markowitz practices at Commerce Internal Medicine in West Bloomfield, Michigan
Dr. Markowitz's primary practice is Commerce Internal Medicine, at 5477 Ardon Ct, West Bloomfield, MI 48323 in Oakland County. The practice phone is (248) 363-1500.
- Commerce Internal Medicine5477 Ardon Ct, West Bloomfield, MI 48323 · Oakland CountyPhone(248) 363-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Norman Markowitz is affiliated with 10 sites of care and 1 medical group
Dr. Markowitz's primary practice is Commerce Internal Medicine in West Bloomfield, Michigan. Dr. Markowitz is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Commerce Internal Medicine. Dmand AI also links Dr. Markowitz to 4 more hospitals, 3 home health agencies and 1 group practice or clinic, 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. Norman Markowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markowitz practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Commerce Internal Medicine | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Norman Markowitz is one of 4,804 internists in Michigan
Internal medicine is Dr. Markowitz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Markowitz is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Markowitz
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. Norman Markowitz billed Medicare for 4,167 services in 2024
CMS data shows 4,167 Medicare services from Dr. Markowitz across 21 procedure codes in 2024, for 501 Medicare patients. Medicare paid $239,381 for them.
Dr. Markowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5142024: 1,4554%
- Other services
- 2023: 8422024: 1,44772%
- Tests and treatments
- 2023: 7902024: 7941%
- Lab and pathology
- 2023: 4342024: 37015%
- Imaging
- 2023: 742024: 785%
- Surgery
- 2023: 472024: 2351%
- Drugs given in the office
- 2023: 292024: 0100%
Where Dr. Markowitz's Medicare services took place, 2024
- In an office3,74490%
- In a facility42310%
Dr. Markowitz compared with the Michigan median for internists, 2024
- Dr. Markowitz
- Michigan median
- Medicare services
- 4,167vs 4239.9 times
- Medicare patients
- 501vs 1593.2 times
- Part D claims
- 7,613vs 31424.2 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Markowitz'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. Markowitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Markowitz and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Norman Markowitz treated 501 Medicare patients in 2024, average age 76
CMS counts 501 Medicare patients who saw Dr. Markowitz in 2024. The largest group is 65 to 74, with 234 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Markowitz's median patient age at 66, with 50% women.
Dr. Markowitz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Markowitz's Medicare patients by sex, 2024
- Women25651%
- Men24549%
Chronic conditions among Dr. Markowitz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis37%
- Ischemic heart disease32%
- Diabetes26%
- Atrial fibrillation17%
- COPD17%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Norman Markowitz wrote 8,351 Medicare Part D claims in 2024
In 2024, Dr. Markowitz wrote 8,351 Medicare Part D claims for 821 patients. 89% of them were for generic drugs. CMS names the drug for 7,613 of them, across 106 drugs with 11 or more claims each, at $645,632 in total drug cost. In 2023, CMS named 7,485 claims across 107 drugs.
Dr. Markowitz's Part D claims by kind of drug, 2024
- Generic7,395 claims89%
- Brand-name905 claims11%
- Other51 claims1%
Dr. Markowitz'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. Markowitz's Part D claims, 2024
- Opioids0%40 of 8,351 claims
- Antibiotics1%57 of 8,351 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: 7,4852024: 7,6132%
Drugs named by CMS: 106 in 2024, 107 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. Norman Markowitz offers telehealth to Medicare patients
Dr. Markowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Markowitz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Norman Markowitz received $10,690 in industry payments from 2016 to 2025
CMS Open Payments shows 738 general payments to Dr. Markowitz from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,148.
General payments to Dr. Markowitz by program year, 2016 to 2025
General payments to Dr. Markowitz by kind, 2016 to 2025
- Food and beverage$10,667100%
- Education$230%
Companies that paid Dr. Markowitz 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. Norman Markowitz graduated from Wayne State University School of Medicine
Dr. Markowitz graduated from Wayne State University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Norman Markowitz'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) |
| 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. Norman Markowitz
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. Norman Markowitz's NPI number?
Dr. Norman Markowitz's NPI number is 1669425781. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Norman Markowitz?
Dr. Norman Markowitz is an internist in West Bloomfield, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Norman Markowitz practice?
Dr. Markowitz practices at 5477 Ardon Ct, West Bloomfield, MI 48323. Dr. Markowitz's primary practice is Commerce Internal Medicine in West Bloomfield, Michigan. Dmand AI also links Dr. Markowitz to 4 hospitals, 3 home health agencies and 1 group practice or clinic.
What is Dr. Norman Markowitz's office phone number?
The practice phone on file for Dr. Markowitz is (248) 363-1500.
What is Dr. Norman Markowitz's medical license number?
Dr. Markowitz holds Michigan license 4301051604.
Which hospitals is Dr. Norman Markowitz affiliated with?
Dr. Markowitz is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Markowitz to 4 more hospitals.
What medical group is Dr. Norman Markowitz part of?
Dr. Markowitz is linked to Commerce Internal Medicine.
Does Dr. Norman Markowitz accept Medicare?
Yes. CMS data shows Dr. Markowitz billed Medicare for 4,167 services in 2024, and Dr. Markowitz accepts Medicare assignment.
Does Dr. Norman Markowitz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Markowitz as offering telehealth services.
How many Medicare patients does Dr. Norman Markowitz see?
CMS counts 501 Medicare patients who saw Dr. Markowitz in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Norman Markowitz bill to Medicare?
In 2024, Dr. Markowitz's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Norman Markowitz go to medical school?
Dr. Markowitz graduated from Wayne State University School of Medicine in 1987.
What drugs does Dr. Norman Markowitz prescribe most?
In 2024 Medicare Part D data, Dr. Markowitz's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Norman Markowitz received payments from drug or device companies?
CMS Open Payments shows $10,690 in general payments to Dr. Markowitz from 37 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Norman Markowitz been practicing?
Dr. Markowitz graduated from medical school in 1987, 39 years ago.
Selling to internal medicine practices?
See internists in Michigan 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