WILLIAM V JR. MARTINEZ (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1639161649

WILLIAM V JR. MARTINEZ (MD) is a healthcare provider. based in Hartford, Connecticut. specializing in CARDIAC SURGERY, THORACIC SURGERY. They hold the professional credentials MD. They hold a License No. 032878 (CT). The NPI Number for WILLIAM V JR. MARTINEZ (MD) is 1639161649

Main info

Male
Sole Proprietor
40 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM V JR. MARTINEZ (MD)
NPI
1639161649
Phone
(860) 714-1094
Address
1000 ASYLUM AVE
Enumeration Date
16 August 2005
Last Update Date
25 November 2025

Doctor Profile

Medical School Name
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Secondary Phone
9417442640
Graduation Year
1986 (40 years ago)
PAC ID
8224137831
Group Practice PAC ID
3274530456
Professional Enrollment ID
I20211026002599
Address ID
FL339525342PO2525XBLVD301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness85
Years active:20State licenses:2Digital endpointsOther names

31 CARDIAC SURGERY in CT

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Provider Addresses for WILLIAM V JR. MARTINEZ (MD)

  • 1000, Asylum Avenue, Asylum Avenue District Historic District, Hartford, Hartford County, Connecticut, 06105, United States

    SUITE 3201A

    HARTFORD, CT 061051770

    Phone: (860) 714-1094

    Fax: (860) 714-8850

    Type: Mailing

  • 2525 Harbor Blvd Ste 203

    Port Charlotte, FL 339525342

    Phone: (941) 744-2640

    Fax: (941) 744-2650

    Type: Location

  • 2237 US Highway 27 S

    Sebring, FL 338704936

    Phone: (941) 744-2640

    Fax: (941) 744-2650

    Type: Location

  • 5304 4TH AVENUE CIR E

    BRADENTON, FL 342085624

    Phone: (941) 744-2640

    Fax: (941) 744-2650

    Type: Mailing

  • 300 RIVERSIDE DR E STE 3100

    BRADENTON, FL 342081024

    Phone: (941) 744-2640

    Fax: (941) 744-2650

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 9 Open Payments records for all available years, with a total value of $746.

Total Amount is formed as General ($746) + Research ($0) + Ownership ($0) = $746.

Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Abbott Laboratories ($378).

Total Amount

$746

General + Research + Ownership

Payments

9

Total payment records

General Amount

$746

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-12

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: 2021-10-26

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
I20211026002599ICardiac SurgeryFLTBD

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
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes7838$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes7069$0
99205New patient office or other outpatient visit, 60-74 minutes6161$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes5022$0
33533Coronary artery bypass using artery graft, 1 graft4040$0
View full utilization report →

Insurance plans in this area (ZIP 06105)

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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: 3274530456View full group profile
NameSpecialtyState
General Surgery, Thoracic Surgery, Cardiac SurgeryND
Thoracic SurgeryFL
Cardiac SurgeryFL
Cardiovascular Disease (Cardiology), Thoracic Surgery, Cardiac Surgery, Vascular SurgeryFL

Reviews

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Frequently asked questions

Is there an official ID for WILLIAM V JR. MARTINEZ (MD) in U.S. healthcare records?
The official identifier for WILLIAM V JR. MARTINEZ (MD) is NPI 1639161649.
Active or inactive — what applies to WILLIAM V JR. MARTINEZ (MD)?
You should see WILLIAM V JR. MARTINEZ (MD) as active in CMS-hosted NPPES data.
How would a patient describe WILLIAM V JR. MARTINEZ (MD)'s focus?
For WILLIAM V JR. MARTINEZ (MD), the primary taxonomy reads as Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician. Clinical services aligned with this taxonomy classification.
Where in Connecticut is WILLIAM V JR. MARTINEZ (MD) registered?
Use Hartford, Connecticut as the headline location for WILLIAM V JR. MARTINEZ (MD) here.
What does 8 location(s) imply?
8 practice locations appear in the available data.

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