DR. GREGG WAYNE MANSON (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1134123953

DR. GREGG WAYNE MANSON (M.D.) is a healthcare provider. based in Reno, Nevada. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. G69921 (CA). The NPI Number for DR. GREGG WAYNE MANSON (M.D.) is 1134123953

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGG WAYNE MANSON (M.D.)
NPI
1134123953
Phone
(775) 746-3400
Address
1350 STARDUST ST
Enumeration Date
9 June 2005
Last Update Date
15 December 2021

Doctor Profile

Medical School Name
UNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Secondary Phone
9258136500
Graduation Year
1988 (38 years ago)
PAC ID
0840202818
Group Practice PAC ID
8921910225
Professional Enrollment ID
I20120927000717
Address ID
CA945318687AN4501XRDXX400

Contacts

SOAP Endpoint
https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness85
Years active:21State licenses:2Other namesUpdated within 12 months

82 PATHOLOGY in NV

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Provider Addresses for DR. GREGG WAYNE MANSON (M.D.)

  • 1350, Stardust Street, Reno, Washoe County, Nevada, 89503, United States

    STE D

    RENO, NV 895034264

    Phone: (775) 746-3400

    Fax: (775) 746-3411

    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)

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: 2012-09-27

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
I20120927000717IPathologyCATBD

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 complexity2713$0
View full utilization report →

Insurance plans in this area (ZIP 89503)

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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: 8921910225View full group profile
NameSpecialtyState
Emergency MedicineDC
Colorectal Surgery (Proctology), General SurgeryLA
-CA
N E U R O S U R G E R YMA
Internal MedicineCA
Nurse PractitionerCA
Internal MedicineCA
Emergency MedicineCA
-MA
Emergency MedicineCA

Reviews

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Frequently asked questions

Does DR. GREGG WAYNE MANSON (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. GREGG WAYNE MANSON (M.D.) uses 1134123953.
Does the file indicate DR. GREGG WAYNE MANSON (M.D.) is practicing under active NPI?
Directory data currently reports DR. GREGG WAYNE MANSON (M.D.) as active.
What is DR. GREGG WAYNE MANSON (M.D.)'s specialty?
The listing groups DR. GREGG WAYNE MANSON (M.D.) with Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. GREGG WAYNE MANSON (M.D.)?
DR. GREGG WAYNE MANSON (M.D.)'s geographic hint is Reno, Nevada in our summary view.
Why does DR. GREGG WAYNE MANSON (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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