TAMMY O WICHMAN M.D.
NPI 1780788844
Internal Medicine - Critical Care Medicine in Omaha, NE

Q: What is Tammy Wichman's NPI number?

The NPI number for Tammy Wichman is 1780788844. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Q: What is Tammy Wichman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Tammy Wichman was last updated on February 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 11, 2006PECOS EnrolledAccepts Medicare Assignment

EMILE 42ND ST, OMAHA, NE 68198(402) 559-4015(402) 559-8715 Get Directions Write a Review

NPPES record last updated: February 14, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 14, 2019, Aug 20, 2016 (2 updates tracked since 2016).

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About Tammy O Wichman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY O WICHMAN M.D. (NPI 1780788844) is an individual critical care medicine provider in Omaha, Nebraska, licensed in Nebraska (22440) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Bryan Medical Center, and is a graduate of Saint Louis University School Of Medicine (1996).

NPPES Registry Identity

NPI1780788844

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameTAMMY O WICHMANCredential: M.D.

Location AddressEMILE 42ND STOmaha, NE 68198-0001

Mailing Address988102 Nebraska Medical CtrOmaha, NE 68198-8102

Phone(402) 559-4015

Fax(402) 559-8715

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1996

Enumeration DateSeptember 11, 2006

Last NPPES UpdateFebruary 14, 20192 updates tracked since enumeration

✔ NPI 1780788844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in NE · 22440

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 22440 (NE)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 22440 (NE)

EMILE 42ND ST, Omaha, NE 68198

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tammy O Wichman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133260383

PECOS Enrollment IDI20100109000250

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Tammy Wichman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Unmc Physicians

10 mi

Multi-Specialty

988102 NEBRASKA MEDICAL CTR
Omaha, NE 68198

Reassigned Medicare billing, Nebraska enrollment
2,154 clinicians in this Medicare group

NPI 1417912114 (402) 552-3739

Madonna Rehabilitation Hospital

47 mi

Physical Medicine & Rehabilitation

5401 SOUTH ST
Lincoln, NE 68506

Reassigned Medicare billing, Nebraska enrollment
167 clinicians in this Medicare group

NPI 1417045642 (402) 413-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

185 services101 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

164 services94 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

89 services46 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

78 services75 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

77 services72 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

70 services67 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bryan Medical Center

Acute Care Hospitals · Lincoln, NE

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number280003

Location1600 South 48th StLincoln, NE 68506 · Lancaster County

Emergency services Birthing friendly

The Nebraska Medical Center

Acute Care Hospitals · Omaha, NE

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number280013

Location987400 Nebraska Medical CenterOmaha, NE 68198 · Douglas County

Emergency services Birthing friendly

Bellevue Medical Center, LLC

Acute Care Hospitals · Bellevue, NE

5/5 CMS rating

OwnershipProprietary

CMS Certification Number280132

Location2500 Bellevue Medical Center DrBellevue, NE 68123 · Sarpy County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 68198 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.35 typical visit price

range $52.69 – $160.21

Typical copayment $30.33 (range $13.17 – $40.05)

Most-billed visit code 99204

Established Patient

$93.55 typical visit price

range $16.90 – $131.25

Typical copayment $23.38 (range $4.22 – $32.81)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 19

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

6 suppliers71 claims216 services$18.51 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

6 suppliers139 claims1,703 services$36.63 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

7 suppliers18 claims18 services$33.83 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

7 suppliers19 claims19 services$50.45 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

6 suppliers13 claims13 services$14.26 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

8 suppliers19 claims105 services$1.59 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

6 suppliers11 claims11 services$10.94 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

5 suppliers38 claims39 services$17.72 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

2 suppliers18 claims18 services$44.10 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers24 claims24 services$868.27 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier11 claims11 services$22.64 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

10 suppliers119 claims120 services$78.29 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers54 claims54 services$33.22 avg. paid by Medicare

Injection, epoprostenol, 0.5 mg J1325

Treatment-Injections and Infusions (nononcologic) · category RI026N

5 suppliers122 claims17,726 services$12.73 avg. paid by Medicare

Injection, treprostinil, 1 mg J3285

Treatment-Injections and Infusions (nononcologic) · category RI026N

3 suppliers24 claims3,751 services$44.91 avg. paid by Medicare

Treprostinil, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, 1.74 mg J7686

DME-Drugs Administered Through DME · category DG004N

3 suppliers28 claims784 services$552.13 avg. paid by Medicare

Infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol) K0455

DME-Other DME · category DE000N

5 suppliers69 claims69 services$250.93 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$54.67 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

7 suppliers42 claims42 services$25.90 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOSEPH M KALAMAJA MD

Anesthesiology

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4081

MELISSA SMITH CRNA

Anesthesiologist Assistant

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4081

DR. ABBEY FINGERET MD

Surgery (Surgical Oncology)

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-5600

CAROL BUSH CRNA

Nurse Anesthetist, Certified Registered

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4081

ANERY A PATEL M.D

Internal Medicine (Endocrinology, Diabetes & Metabolism)

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-8700

DR. BRADLEY ALLEN FREMMING M.D., PHARM.D.

Anesthesiology

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4081

ALISSA M WORMINGTON APRN-NP

Nurse Practitioner (Family)

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4500

SARA MICHELLE MAY M.D.

Allergy & Immunology

EMILE 42ND ST
OMAHA, NE 68198

Douglas County (402) 559-4015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Wichman's NPI number?

The NPI number for Tammy Wichman is 1780788844. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Tammy Wichman located?

Tammy Wichman practices at Emile 42nd St, Omaha, NE 68198. The listed phone number is (402) 559-4015.

What is Tammy Wichman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Tammy Wichman enrolled in Medicare?

Yes. Tammy Wichman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tammy Wichman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Wichman reassigns Medicare benefits to 2 organizations: Unmc Physicians (Omaha, NE) and Madonna Rehabilitation Hospital (Lincoln, NE). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammy Wichman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammy Wichman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company and 1 other insurer list Tammy Wichman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tammy Wichman affiliated with any hospitals?

According to CMS data, Tammy Wichman is affiliated with Bryan Medical Center, The Nebraska Medical Center and Bellevue Medical Center, LLC.

When was this NPI record last updated?

The NPPES record for Tammy Wichman was last updated on February 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.