Hemant Trehan, M.D.
NPI 1568541159 · Internal Medicine Physician · Saint Paul, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hemant Trehan, M.D. is a Internal Medicine Physician provider in Saint Paul, MN (NPI 1568541159).
Provider details
- NPI number
- 1568541159
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 43256 (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
3,324 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 | 530 | $125 |
| 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 | 288 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 258 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 169 | $7 |
| Hemoglobin A1c Level83036 | 113 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 658 | 185 |
| Atorvastatin Calcium | 400 | 102 |
| Lisinopril | 288 | 76 |
| Levothyroxine Sodium | 252 | 59 |
| Omeprazole | 243 | 70 |
| Metformin Hclbrand: Metformin Hcl Er | 191 | 63 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Hemant Trehan's NPI number?
- Hemant Trehan's National Provider Identifier (NPI) is 1568541159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hemant Trehan's specialty?
- Hemant Trehan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hemant Trehan located?
- Hemant Trehan's practice location on file with NPPES is 255 Smith Ave N Ste 300, Saint Paul, MN 55102-2572.
- What is Hemant Trehan's phone number?
- The practice phone number listed in the NPPES registry for Hemant Trehan is (651) 241-5000.
- Does Hemant Trehan accept Medicare?
- Hemant Trehan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hemant Trehan's NPI active?
- Yes — Hemant Trehan's NPI (1568541159) 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.