DR. RONNIE THOMAS II COLLINS (MD) – Pediatric Cardiology Physician, NPI 1104883339

DR. RONNIE THOMAS II COLLINS (MD) is a healthcare provider. based in Palo alto, California. specializing in ADULT CONGENITAL HEART DISEASE (ACHD), PEDIATRIC MEDICINE. They hold the professional credentials MD. They hold a License No. TP086 (KY). The NPI Number for DR. RONNIE THOMAS II COLLINS (MD) is 1104883339

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. RONNIE THOMAS II COLLINS (MD)
NPI
1104883339
Phone
(650) 723-7913
Address
750 Welch Rd Ste 321
Enumeration Date
1 May 2006
Last Update Date
30 August 2022

Doctor Profile

Medical School Name
UNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Secondary Phone
8592578562
Graduation Year
2002 (24 years ago)
PAC ID
1951327758
Group Practice PAC ID
5698689909
Professional Enrollment ID
I20220910000158
Address ID
KY405081683LE740XXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience83
Completeness75
Years active:20State licenses:2Digital endpointsOther names

21 ADULT CONGENITAL HEART DISEASE (ACHD) in CA

Provider Addresses for DR. RONNIE THOMAS II COLLINS (MD)

  • 750 Welch Rd Ste 321

    Palo Alto, CA 943041510

    Phone: (650) 723-7913

    Type: Location

  • 1 Childrens Way # 653

    Little Rock, AR 722023500

    Phone: (501) 614-2006

    Fax: (501) 526-6562

    Type: Location

  • Welch Road, Stanford, Palo Alto, Santa Clara County, California, 94305-6015, United States

    PALO ALTO, CA 943041510

    Phone: (650) 723-7913

    Type: Mailing

  • 740 S LIMESTONE L203

    LEXINGTON, KY 405361510

    Phone: (859) 323-6754

    Fax: (859) 323-3499

    Type: Location

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: 2022-09-10

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
I20220910000158IPediatric MedicineKYTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94304)

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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: 5698689909View full group profile
NameSpecialtyState
Diagnostic RadiologyKY
A N E S T H E S I O L O G YFL
Pediatric MedicineKY
Internal MedicineKY
H O S P I T A L I S TOH
Critical Care (Intensivists), Pulmonary DiseaseKY
Interventional Radiology, Diagnostic RadiologyKY
Internal MedicineKY
Thoracic Surgery, Cardiac SurgeryKY
Pediatric Medicine, Internal MedicineKY

Reviews

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Frequently asked questions

What is the standard ID for DR. RONNIE THOMAS II COLLINS (MD) in the U.S.?
In the U.S., DR. RONNIE THOMAS II COLLINS (MD) is identified by NPI 1104883339.
Is DR. RONNIE THOMAS II COLLINS (MD) currently accepting referrals based on NPI status?
Registry metadata lists DR. RONNIE THOMAS II COLLINS (MD) as active.
How should patients interpret DR. RONNIE THOMAS II COLLINS (MD)'s specialty?
The extract shows Pediatric Cardiology Physician for DR. RONNIE THOMAS II COLLINS (MD). Clinical services aligned with this taxonomy classification.
What city is tied to DR. RONNIE THOMAS II COLLINS (MD)?
The directory associates DR. RONNIE THOMAS II COLLINS (MD) with Palo Alto, California. 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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