CAROLINE LO (PA-C) – Physician Assistant, NPI 1013637552

CAROLINE LO (PA-C) is a healthcare provider. based in Seattle, Washington. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials PA-C. The NPI Number for CAROLINE LO (PA-C) is 1013637552

Main info

Female
3 Years Of Experience
Accepts Medicare Assignment
Name
CAROLINE LO (PA-C)
NPI
1013637552
Phone
(206) 616-4001
Address
4311 11th Ave NE Ste 200
Enumeration Date
2 September 2022
Last Update Date
16 January 2024

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
2023 (3 years ago)
PAC ID
7113365743
Group Practice PAC ID
7719075167
Professional Enrollment ID
I20240402002409
Address ID
MP969500409SA1XXXXRDXX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience26
Completeness75
Years active:3State licenses:0Digital endpointsOther names

4,282 PHYSICIAN ASSISTANT in WA

Provider Addresses for CAROLINE LO (PA-C)

  • 4311 11th Ave NE Ste 200

    Seattle, WA 981056367

    Phone: (206) 616-4001

    Type: Location

  • 4311 11TH AVE NE STE 200

    SEATTLE, WA 981056367

    Phone: (206) 616-4001

    Type: Location

  • 1178 HINEMLU' ST.

    SAIPAN, MP 96950

    Phone: (670) 236-8210

    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: 2024-04-02

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
I20240402002409IPhysician AssistantMPTBD

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 98105)

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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: 7719075167View full group profile
NameSpecialtyState
O T O L A R Y N G O L O G YMA
Internal MedicineOH
Family PracticeTN
Physician AssistantMP
Nurse PractitionerHI
Physician AssistantMP
O B S T E T R I C S/ G Y N E C O L O G YNJ
Internal MedicineGU
-MP
P O D I A T R YKS

Reviews

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Frequently asked questions

What number should I use to identify CAROLINE LO (PA-C) for billing?
Administrative and clinical systems typically use NPI 1013637552 for CAROLINE LO (PA-C).
Is CAROLINE LO (PA-C) currently accepting referrals based on NPI status?
Registry metadata lists CAROLINE LO (PA-C) as active.
What does the directory say CAROLINE LO (PA-C) does?
Insurance directories may phrase it differently, but here CAROLINE LO (PA-C) maps to Physician Assistant. Clinical services aligned with this taxonomy classification.
Can patients visit CAROLINE LO (PA-C) in Seattle, Washington?
For routing, start with Seattle, Washington for CAROLINE LO (PA-C), then verify phone and hours locally.
Who maintains CAROLINE LO (PA-C)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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