DR. GREGORY C HAZEN (MD) – Ophthalmology Physician, NPI 1174528863

DR. GREGORY C HAZEN (MD) is a healthcare provider. based in Saginaw, Michigan. specializing in OPHTHALMOLOGY. They hold the professional credentials MD. They hold a License No. 4301065631 (MI). The NPI Number for DR. GREGORY C HAZEN (MD) is 1174528863

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGORY C HAZEN (MD)
NPI
1174528863
Phone
(989) 797-2400
Address
5161 CARDINAL PARK DRIVE
Enumeration Date
17 June 2005
Last Update Date
7 April 2021

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
9897972400
Graduation Year
1995 (31 years ago)
PAC ID
1456454420
Group Practice PAC ID
8921089871
Professional Enrollment ID
I20100319000636
Address ID
MI486049435SA5161XDRXX400

Contacts

Secure Messaging
gregory.hazen.p1@direct.aea.nextgenshare.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

844 OPHTHALMOLOGY in MI

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Provider Addresses for DR. GREGORY C HAZEN (MD)

  • Andersen Eye Associates, 5161, Cardinal Park Drive, Kochville Township, Saginaw County, Michigan, 48604, United States

    SAGINAW, MI 48604

    Phone: (989) 797-2400

    Fax: (989) 249-1035

    Type: Location

  • PO BOX 5649

    SAGINAW, MI 486030649

    Phone: (989) 797-2400

    Fax: (989) 249-1035

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 14 Open Payments records for all available years, with a total value of $50,301.

Total Amount is formed as General ($50,301) + Research ($0) + Ownership ($0) = $50,301.

Last reported payment date: 2024-10-18 • Largest payer in this snapshot: RxSight Inc ($50,172).

Total Amount

$50,301

General + Research + Ownership

Payments

14

Total payment records

General Amount

$50,301

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-18

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: 2010-03-19

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
I20100319000636IOphthalmologyMITBD

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
66984Removal of cataract with insertion of prosthetic lens593322$0
92136Measurement of corneal curvature and depth of eye371218$0
99204New patient office or other outpatient visit, 45-59 minutes265265$0
99214Established patient office or other outpatient visit, 30-39 minutes115108$0
66821Removal of recurring cataract in lens capsule using a laser9997$0
View full utilization report →

Insurance plans in this area (ZIP 48604)

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Provider's Procedures

DR. GREGORY C HAZEN (MD) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYMI92083Measurement of field of vision during daylight conditions2321
OPHTHALMOLOGYMI92134Diagnostic imaging of retina1414

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: 8921089871View full group profile
NameSpecialtyState
O P H T H A L M O L O G YMI
O P H T H A L M O L O G YMI
O P H T H A L M O L O G YMI
O P H T H A L M O L O G YOH
O P T O M E T R YMI
O P H T H A L M O L O G YMI
O P H T H A L M O L O G YMI
O P T O M E T R YMI

Reviews

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Frequently asked questions

What number should I use to identify DR. GREGORY C HAZEN (MD) for billing?
Administrative and clinical systems typically use NPI 1174528863 for DR. GREGORY C HAZEN (MD).
Quick check: is DR. GREGORY C HAZEN (MD) active?
Public NPPES data shows DR. GREGORY C HAZEN (MD) with an active NPI status right now.
Which specialty label fits DR. GREGORY C HAZEN (MD)?
NPPES ties DR. GREGORY C HAZEN (MD) to Ophthalmology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What city is tied to DR. GREGORY C HAZEN (MD)?
The directory associates DR. GREGORY C HAZEN (MD) with Saginaw, Michigan. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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