Stephen Arntz, M.D.
NPI 1528088614 · Family Medicine Physician · Jackson, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Arntz, M.D. is a Family Medicine Physician provider in Jackson, MI (NPI 1528088614).
Provider details
- NPI number
- 1528088614
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301066392 (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
19 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
3,031 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,277 | $84 |
| 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 | 770 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 230 | $122 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 180 | $17 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 177 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 178 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 712 | 198 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 588 | 70 |
| Amlodipine Besylate | 489 | 152 |
| Omeprazole | 466 | 137 |
| Lisinopril | 422 | 123 |
| Levothyroxine Sodium | 396 | 101 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,674 across 140 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
- 2006-07-20
- Last updated
- 2015-03-06
Frequently asked questions
- What is Stephen Arntz's NPI number?
- Stephen Arntz's National Provider Identifier (NPI) is 1528088614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Arntz's specialty?
- Stephen Arntz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Arntz located?
- Stephen Arntz's practice location on file with NPPES is 214 N. West Ave, Jackson, MI 49201-1903.
- What is Stephen Arntz's phone number?
- The practice phone number listed in the NPPES registry for Stephen Arntz is (517) 784-9189.
- Does Stephen Arntz accept Medicare?
- Stephen Arntz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Arntz's NPI active?
- Yes — Stephen Arntz's NPI (1528088614) is active in the NPPES registry as of the last update on 2015-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.