Steven Semmler, M.D.
NPI 1255479879 · Family Medicine Physician · Forest Lake, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Semmler, M.D. is a Family Medicine Physician provider in Forest Lake, MN (NPI 1255479879).
Provider details
- NPI number
- 1255479879
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 51793 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,188 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 260 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 173 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 98 | $8 |
| Hemoglobin A1c Level83036 | 92 | $10 |
| 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 | 90 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 860 | 227 |
| Lisinopril | 570 | 140 |
| Amlodipine Besylate | 531 | 148 |
| Losartan Potassium | 410 | 113 |
| Metoprolol Succinate | 388 | 112 |
| Tamsulosin Hcl | 239 | 67 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-03
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Steven Semmler's NPI number?
- Steven Semmler's National Provider Identifier (NPI) is 1255479879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Semmler's specialty?
- Steven Semmler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Semmler located?
- Steven Semmler's practice location on file with NPPES is 1540 Lake St S, Forest Lake, MN 55025-2628.
- What is Steven Semmler's phone number?
- The practice phone number listed in the NPPES registry for Steven Semmler is (651) 464-7100.
- Does Steven Semmler accept Medicare?
- Steven Semmler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Semmler's NPI active?
- Yes — Steven Semmler's NPI (1255479879) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.