Norman Markowitz, M.D.
NPI 1669425781 · Internal Medicine Physician · Commerce Twp, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Norman Markowitz, M.D. is a Internal Medicine Physician provider in Commerce Twp, MI (NPI 1669425781).
Provider details
- NPI number
- 1669425781
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301051604 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,900 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 918 | $127 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 697 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 380 | $130 |
| Urinalysis, Manual Test81002 | 370 | $3 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 296 | $79 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 721 | 210 |
| Losartan Potassium | 577 | 156 |
| Amlodipine Besylate | 447 | 133 |
| Levothyroxine Sodium | 407 | 132 |
| Omeprazole | 361 | 115 |
| Metformin Hcl | 249 | 75 |
| Simvastatin | 242 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$738 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2007-11-21
Frequently asked questions
- What is Norman Markowitz's NPI number?
- Norman Markowitz's National Provider Identifier (NPI) is 1669425781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Norman Markowitz's specialty?
- Norman Markowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Norman Markowitz located?
- Norman Markowitz's practice location on file with NPPES is 9640 Commerce Rd, Commerce Twp, MI 48382-4166.
- What is Norman Markowitz's phone number?
- The practice phone number listed in the NPPES registry for Norman Markowitz is (248) 363-1500.
- Does Norman Markowitz accept Medicare?
- Norman Markowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Norman Markowitz's NPI active?
- Yes — Norman Markowitz's NPI (1669425781) is active in the NPPES registry as of the last update on 2007-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.