What is Diane Walker's NPI number?

Diane Walker's National Provider Identifier (NPI) is 1700887502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Walker's specialty?

Diane Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Diane Walker located?

Diane Walker's practice location on file with NPPES is 115 S Piney Rd, Chester, MD 21619-2619.

What is Diane Walker's phone number?

The practice phone number listed in the NPPES registry for Diane Walker is (410) 643-3007.

Is Diane Walker's NPI active?

Yes — Diane Walker's NPI (1700887502) is active in the NPPES registry as of the last update on 2022-11-06.

IndividualActive

Diane Walker, NURSE PRACTITIONER

NPI 1700887502 · Family Nurse Practitioner · Chester, MD

Diane Walker, NURSE PRACTITIONER is a Family Nurse Practitioner provider in Chester, MD (NPI 1700887502).

Provider details

NPI number: 1700887502
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: NURSE PRACTITIONER
Sex: Female
Sole proprietor: No
License: 88082 (CO)

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense R163105 (MD)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense 88082 (CO)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

115 S Piney Rd

Chester, MD 21619-2619

Phone: (410) 643-3007

Street-level locationGet directions

More MD providers

Mailing address

115 S Piney Rd

Chester, MD 21619-2619

Additional practice locations (2)

400 West Seventh Street
Frederick Memorial Hospital
Frederick, MD 21701
Phone: (240) 566-4809
Fax: (240) 566-3976
400 West Seventh Street
Frederick Memorial Hospital
Frederick, MD 21701
Phone: (240) 566-4809
Fax: (240) 566-3976

Enumerated: 2005-08-03
Last updated: 2022-11-06
Certified: 2022-11-06

Frequently asked questions

What is Diane Walker's NPI number?: Diane Walker's National Provider Identifier (NPI) is 1700887502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diane Walker's specialty?: Diane Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Diane Walker located?: Diane Walker's practice location on file with NPPES is 115 S Piney Rd, Chester, MD 21619-2619.
What is Diane Walker's phone number?: The practice phone number listed in the NPPES registry for Diane Walker is (410) 643-3007.
Is Diane Walker's NPI active?: Yes — Diane Walker's NPI (1700887502) is active in the NPPES registry as of the last update on 2022-11-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.