MARK R LITZOW (M.D.) – Hematology (Internal Medicine) Physician, NPI 1871579672

MARK R LITZOW (M.D.) is a healthcare provider. based in Rochester, Minnesota. specializing in Hematology (Internal Medicine) Physician. They hold the professional credentials M.D.. They hold a License No. 26419 (MN). The NPI Number for MARK R LITZOW (M.D.) is 1871579672

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
MARK R LITZOW (M.D.)
NPI
1871579672
Phone
(507) 284-2511
Address
200 1ST ST SW
Enumeration Date
22 December 2005
Last Update Date
26 June 2024

Doctor Profile

Medical School Name
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Secondary Phone
5072842511
Graduation Year
1980 (46 years ago)
PAC ID
0244134898
Group Practice PAC ID
6507778255
Professional Enrollment ID
I20031125000352

Contacts

Secure Messaging
mlitzow72128@ehrdirect.mayoclinicmsg.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for MARK R LITZOW (M.D.)

  • 1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States

    ROCHESTER, MN 559050001

    Phone: (507) 284-2511

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $53,366.

Total Amount is formed as General ($53,366) + Research ($0) + Ownership ($0) = $53,366.

Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Amgen Inc. ($36,555).

Total Amount

$53,366

General + Research + Ownership

Payments

11

Total payment records

General Amount

$53,366

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-04

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2003-11-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20031125000352IHematologyMNTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes12957$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes8320$0
99215Established patient office or other outpatient visit, 40-54 minutes4238$0
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less1916$0
View full utilization report →

Insurance plans in this area (ZIP 55905)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6507778255View full group profile

Reviews

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Frequently asked questions

Is there an official ID for MARK R LITZOW (M.D.) in U.S. healthcare records?
The official identifier for MARK R LITZOW (M.D.) is NPI 1871579672.
Is there an active status for MARK R LITZOW (M.D.)?
For scheduling context, MARK R LITZOW (M.D.) is shown as active in the registry.
What expertise is attributed to MARK R LITZOW (M.D.)?
MARK R LITZOW (M.D.)'s specialty line reads Hematology (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for MARK R LITZOW (M.D.)?
Travel planning: use Rochester, Minnesota as the reference point for MARK R LITZOW (M.D.), then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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