NANCY LEIGH WELLING (CRNA) – Certified Registered Nurse Anesthetist, NPI 1104989573

NANCY LEIGH WELLING (CRNA) is a healthcare provider. based in Walnut creek, California. specializing in Certified Registered Nurse Anesthetist. They hold the professional credentials CRNA. They hold a License No. NA 3207 (CA). The NPI Number for NANCY LEIGH WELLING (CRNA) is 1104989573

Main info

Female
22 Years Of Experience
Accepts Medicare Assignment
Name
NANCY LEIGH WELLING (CRNA)
NPI
1104989573
Phone
(925) 295-4665
Address
1425 S MAIN ST
Enumeration Date
18 December 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4154761000
Graduation Year
2004 (22 years ago)
PAC ID
5395782460
Group Practice PAC ID
2769370535
Professional Enrollment ID
I20151019001940
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for NANCY LEIGH WELLING (CRNA)

  • 45B, 1425, South Main Street, Walnut Creek, Contra Costa County, California, 94596, United States

    WALNUT CREEK, CA 945965318

    Phone: (925) 295-4665

    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.

No Medicare enrollment or revalidation data available for this provider in our database.

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 94596)

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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: 2769370535View full group profile
NameSpecialtyState
-CA
Certified Registered Nurse Anesthetist (Crna)PA
A N E S T H E S I O L O G YCA
Certified Registered Nurse Anesthetist (Crna)CA
-CA
Certified Registered Nurse Anesthetist (Crna)CA
Internal Medicine, Critical Care (Intensivists), Pulmonary DiseasePA
A N E S T H E S I O L O G YCA
A N E S T H E S I O L O G YCA
A N E S T H E S I O L O G YCA

Reviews

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Frequently asked questions

Does NANCY LEIGH WELLING (CRNA) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — NANCY LEIGH WELLING (CRNA) uses 1104989573.
Does the file indicate NANCY LEIGH WELLING (CRNA) is practicing under active NPI?
Directory data currently reports NANCY LEIGH WELLING (CRNA) as active.
What is NANCY LEIGH WELLING (CRNA) best known for clinically?
Directory data describes NANCY LEIGH WELLING (CRNA) with Certified Registered Nurse Anesthetist. Clinical services aligned with this taxonomy classification.
Where should I expect NANCY LEIGH WELLING (CRNA) on a map?
Expect Walnut Creek, California as a primary anchor for NANCY LEIGH WELLING (CRNA) unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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