James Tieman, M.D.
NPI 1831173038 · Family Medicine Physician · South Bend, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Tieman, M.D. is a Family Medicine Physician provider in South Bend, IN (NPI 1831173038).
Provider details
- NPI number
- 1831173038
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01040525A (IN)
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,762 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 804 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 676 | $119 |
| 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 | 460 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 247 | $120 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 202 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 177 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 934 | 237 |
| Amlodipine Besylate | 727 | 172 |
| Levothyroxine Sodium | 664 | 157 |
| Losartan Potassium | 456 | 125 |
| Lisinopril | 452 | 111 |
| Hydrochlorothiazide | 357 | 84 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,282 across 81 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
Additional practice locations (2)
- 707 N Michigan St Ste 400South Bend, IN 46601-1071Phone: (574) 647-8470Fax: (574) 647-8475
- 714 N Michigan StSouth Bend, IN 46601-1035Phone: (574) 647-7477Fax: (574) 647-3655
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2023-04-28
- Certified
- 2023-04-28
Frequently asked questions
- What is James Tieman's NPI number?
- James Tieman's National Provider Identifier (NPI) is 1831173038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Tieman's specialty?
- James Tieman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Tieman located?
- James Tieman's practice location on file with NPPES is 1815 E Ireland Rd, South Bend, IN 46614-2845.
- What is James Tieman's phone number?
- The practice phone number listed in the NPPES registry for James Tieman is (574) 647-1700.
- Does James Tieman accept Medicare?
- James Tieman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Tieman's NPI active?
- Yes — James Tieman's NPI (1831173038) is active in the NPPES registry as of the last update on 2023-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.