DR. MICHAEL J. WALTS (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1639146491

DR. MICHAEL J. WALTS (M.D.) is a healthcare provider. based in Loveland, Colorado. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. 7345A (WY). The NPI Number for DR. MICHAEL J. WALTS (M.D.) is 1639146491

Main info

Male
Sole Proprietor
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. MICHAEL J. WALTS (M.D.)
NPI
1639146491
Phone
(970) 212-0530
Address
5802 WRIGHT DR
Enumeration Date
1 March 2006
Last Update Date
24 March 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9702120530
Graduation Year
1995 (31 years ago)
PAC ID
3476653478
Group Practice PAC ID
3971595968
Professional Enrollment ID
I20251230003814
Address ID
NE693614602SC4021XBXXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:20State licenses:2Digital endpointsOther names

264 PATHOLOGY in CO

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Provider Addresses for DR. MICHAEL J. WALTS (M.D.)

  • 5802, Wright Drive, Centrepoint Business Park, Loveland, Larimer County, Colorado, 80538, United States

    LOVELAND, CO 805388806

    Phone: (970) 212-0530

    Type: Location

  • Wright Drive, Centrepoint Business Park, Loveland, Larimer County, Colorado, 80538-8986, United States

    LOVELAND, CO 805388806

    Phone: (970) 212-0530

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2025-12-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 3 Medicare enrollment records; no due dates published yet.

Enrollment records

3

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
I20070705000084IPathologyCOTBD
I20150731016877IPathologyWYTBD
I20251230003814IPathologyNETBD

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
88305Pathology examination of tissue using a microscope, intermediate complexity3,8031,653$0
88341Special stained specimen slides to examine tissue, each additional procedure30744$0
88112Cell examination of specimen, selective cellular enhancement technique164128$0
88312Special stained specimen slides to identify organisms including interpretation and report141124$0
88342Special stained specimen slides to examine tissue, initial procedure7464$0
View full utilization report →

Insurance plans in this area (ZIP 80538)

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Provider's Procedures

DR. MICHAEL J. WALTS (M.D.) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYCO88304Pathology examination of tissue using a microscope, moderately low complexity7977
PATHOLOGYCO88307Pathology examination of tissue using a microscope, moderately high complexity10190

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: 3971595968View full group profile
NameSpecialtyState
P A T H O L O G YCO
P A T H O L O G YSC
P A T H O L O G YCO
P A T H O L O G YMD
P A T H O L O G YCO
P A T H O L O G YCO
P A T H O L O G YFL
P A T H O L O G YCO
P A T H O L O G YCO
P A T H O L O G YCO

Reviews

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Frequently asked questions

How do payers reference DR. MICHAEL J. WALTS (M.D.)?
For DR. MICHAEL J. WALTS (M.D.), use NPI 1639146491 as the unique 10-digit identifier.
Is DR. MICHAEL J. WALTS (M.D.) shown as active in public data?
Registry records indicate DR. MICHAEL J. WALTS (M.D.) maintains an active NPI.
What expertise is attributed to DR. MICHAEL J. WALTS (M.D.)?
DR. MICHAEL J. WALTS (M.D.)'s specialty line reads Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.
Is DR. MICHAEL J. WALTS (M.D.) associated with Loveland?
Public fields place DR. MICHAEL J. WALTS (M.D.) around Loveland, Colorado. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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