Mark Jenson, M.D.
NPI 1598727000 · Family Medicine Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Jenson, M.D. is a Family Medicine Physician provider in Green Bay, WI (NPI 1598727000).
Provider details
- NPI number
- 1598727000
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29927 (WI)
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
368 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 | 141 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 58 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 | $122 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 35 | $53 |
| Hemoglobin A1c Level83036 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 485 | 132 |
| Omeprazole | 303 | 81 |
| Metformin Hcl | 301 | 87 |
| Levothyroxine Sodium | 294 | 78 |
| Meloxicam | 270 | 79 |
| Furosemide | 260 | 84 |
| Prednisone | 260 | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33,709 across 162 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
- 2006-04-03
- Last updated
- 2012-11-05
Frequently asked questions
- What is Mark Jenson's NPI number?
- Mark Jenson's National Provider Identifier (NPI) is 1598727000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Jenson's specialty?
- Mark Jenson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Jenson located?
- Mark Jenson's practice location on file with NPPES is 124 Siegler St, Green Bay, WI 54303-2636.
- What is Mark Jenson's phone number?
- The practice phone number listed in the NPPES registry for Mark Jenson is (920) 494-9661.
- Does Mark Jenson accept Medicare?
- Mark Jenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Jenson's NPI active?
- Yes — Mark Jenson's NPI (1598727000) is active in the NPPES registry as of the last update on 2012-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.