Nathan Timmer, MD
NPI 1972890911 · Family Medicine Physician · Mitchell, SD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Timmer, MD is a Family Medicine Physician provider in Mitchell, SD (NPI 1972890911).
Provider details
- NPI number
- 1972890911
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9264 (SD)
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
14 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
214 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 109 | $71 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 48 | $6 |
| X-Ray of Chest, 2 Views71046 | 43 | $23 |
| X-Ray of Knee, 4 Or More Views73564 | 14 | $36 |
Typical Medicare-allowed amounts for these services range $6–$71 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 493 | 77 |
| Furosemide | 440 | 79 |
| Atorvastatin Calcium | 402 | 92 |
| Amlodipine Besylate | 349 | 83 |
| Losartan Potassium | 346 | 77 |
| Pantoprazole Sodium | 325 | 66 |
| Potassium Chloride | 248 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-28
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Nathan Timmer's NPI number?
- Nathan Timmer's National Provider Identifier (NPI) is 1972890911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Timmer's specialty?
- Nathan Timmer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Timmer located?
- Nathan Timmer's practice location on file with NPPES is 402 E Norway Ave, Mitchell, SD 57301-4790.
- What is Nathan Timmer's phone number?
- The practice phone number listed in the NPPES registry for Nathan Timmer is (605) 990-5005.
- Does Nathan Timmer accept Medicare?
- Nathan Timmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Timmer's NPI active?
- Yes — Nathan Timmer's NPI (1972890911) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.