Tammy Wichman, M.D.
NPI 1780788844 · Critical Care Medicine (Internal Medicine) Physician · Omaha, NE
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Wichman, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Omaha, NE (NPI 1780788844).
Provider details
- NPI number
- 1780788844
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 22440 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
801 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 185 | $108 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $89 |
| Critical Care, First 30-74 Minutes99291 | 89 | $192 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 78 | $8 |
| Test to Measure Rate of Airflow94375 | 77 | $13 |
| Test to Determine Lung Volumes Using Sensors94726 | 70 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Macitentanbrand: Opsumit | 324 | 34 |
| Riociguatbrand: Adempas | 166 | 17 |
| Sildenafil Citrate | 157 | 19 |
| Tadalafil | 144 | 19 |
| Treprostinilbrand: Tyvaso Dpi | 133 | 23 |
| Treprostinil Diolaminebrand: Orenitram Er | 105 | — |
| Ambrisentan | 89 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-11
- Last updated
- 2019-02-14
Frequently asked questions
- What is Tammy Wichman's NPI number?
- Tammy Wichman's National Provider Identifier (NPI) is 1780788844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Wichman's specialty?
- Tammy Wichman is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Wichman located?
- Tammy Wichman's practice location on file with NPPES is Emile 42nd St, Omaha, NE 68198-0001.
- What is Tammy Wichman's phone number?
- The practice phone number listed in the NPPES registry for Tammy Wichman is (402) 559-4015.
- Does Tammy Wichman accept Medicare?
- Tammy Wichman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Wichman's NPI active?
- Yes — Tammy Wichman's NPI (1780788844) is active in the NPPES registry as of the last update on 2019-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.