What is Mark Zeitzer's NPI number?

Mark Zeitzer's National Provider Identifier (NPI) is 1437174307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Zeitzer's specialty?

Mark Zeitzer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Mark Zeitzer located?

Mark Zeitzer's practice location on file with NPPES is 1100 N 4th St, Leavenworth, KS 66048-1572.

What is Mark Zeitzer's phone number?

The practice phone number listed in the NPPES registry for Mark Zeitzer is (913) 297-9945.

Does Mark Zeitzer accept Medicare?

Mark Zeitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mark Zeitzer's NPI active?

Yes — Mark Zeitzer's NPI (1437174307) is active in the NPPES registry as of the last update on 2026-01-26.

IndividualActiveAccepts Medicare

Mark Zeitzer, MD

NPI 1437174307 · Emergency Medicine Physician · Leavenworth, KS

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Mark Zeitzer, MD is a Emergency Medicine Physician provider in Leavenworth, KS (NPI 1437174307).

Provider details

NPI number: 1437174307
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 04-52263 (KS)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense MD28003 (OR)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 04-52263 (KS)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 60476107 (WA)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 47018 (OK)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 2025-03934 (NC)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 2026001102 (MO)

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
11 documented practice locations

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.

Practice location

1100 N 4th St

Leavenworth, KS 66048-1572

Phone: (913) 297-9945

Street-level locationGet directions

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Mailing address

2145 E Baseline Rd Ste 101

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Additional practice locations (10)

914 N Scottsdale Rd Ste 104
Tempe, AZ 85288-2116
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18890 E Hampden Ave
Aurora, CO 80013-3504
Phone: (303) 617-1604
3280 Washtenaw Ave
Ann Arbor, MI 48104-4283
Phone: (734) 389-2000
2741 Ne Mcbaine Dr Ph
Lees Summit, MO 64064-7880
Phone: (816) 554-2600
217 Glensford Dr
Fayetteville, NC 28314-0892
Phone: (910) 483-4647
110 N 66th St
Lincoln, NE 68505-2402
Phone: (402) 325-8950
16205 N Pennsylvania Ave
Edmond, OK 73013-7325
Phone: (405) 705-5700
3802 Catclaw Dr
Abilene, TX 79606-8253
Phone: (325) 690-1500
330 White Oak Rd
Fredericksburg, VA 22405-2792
Phone: (540) 373-2424

Enumerated: 2006-07-13
Last updated: 2026-01-26
Certified: 2026-01-26

Frequently asked questions

What is Mark Zeitzer's NPI number?: Mark Zeitzer's National Provider Identifier (NPI) is 1437174307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Zeitzer's specialty?: Mark Zeitzer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Mark Zeitzer located?: Mark Zeitzer's practice location on file with NPPES is 1100 N 4th St, Leavenworth, KS 66048-1572.
What is Mark Zeitzer's phone number?: The practice phone number listed in the NPPES registry for Mark Zeitzer is (913) 297-9945.
Does Mark Zeitzer accept Medicare?: Mark Zeitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mark Zeitzer's NPI active?: Yes — Mark Zeitzer's NPI (1437174307) is active in the NPPES registry as of the last update on 2026-01-26.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.