John Thalken, MD
NPI 1912007212 · Internal Medicine Physician · Douglas, WY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Thalken, MD is a Internal Medicine Physician provider in Douglas, WY (NPI 1912007212).
Provider details
- NPI number
- 1912007212
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3634A (WY)
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
75 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 Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 52 | $103 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 23 | $8 |
Typical Medicare-allowed amounts for these services range $8–$103 (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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 187 | 20 |
| Levothyroxine Sodium | 139 | 40 |
| Potassium Chloride | 105 | 18 |
| Apixabanbrand: Eliquis | 97 | 14 |
| Atorvastatin Calcium | 90 | 23 |
| Lisinopril | 84 | 20 |
| Gabapentin | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Thalken's NPI number?
- John Thalken's National Provider Identifier (NPI) is 1912007212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Thalken's specialty?
- John Thalken is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Thalken located?
- John Thalken's practice location on file with NPPES is 111 S 5th St, Douglas, WY 82633-2434.
- What is John Thalken's phone number?
- The practice phone number listed in the NPPES registry for John Thalken is (307) 358-2122.
- Does John Thalken accept Medicare?
- John Thalken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Thalken's NPI active?
- Yes — John Thalken's NPI (1912007212) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.