Spring Maddox, CNM, WHNP
NPI 1538651104 · Advanced Practice Midwife · Tuolumne, CA
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spring Maddox, CNM, WHNP is a Advanced Practice Midwife provider in Tuolumne, CA (NPI 1538651104).
Provider details
- NPI number
- 1538651104
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM, WHNP
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
4 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
Mailing address
Additional practice locations (3)
- 22603 Parrotts Ferry RdColumbia, CA 95310-9726Phone: (209) 588-8900
- 16575 Draper Mine RdSonora, CA 95370-8430Phone: (209) 533-2300
- 16575 Draper Mine RdSonora, CA 95370-8430Phone: (209) 533-2300
Registry dates
- Enumerated
- 2018-05-31
- Last updated
- 2018-10-19
Frequently asked questions
- What is Spring Maddox's NPI number?
- Spring Maddox's National Provider Identifier (NPI) is 1538651104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spring Maddox's specialty?
- Spring Maddox is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Spring Maddox located?
- Spring Maddox's practice location on file with NPPES is 18400 Chestnut Ave, Tuolumne, CA 95379.
- What is Spring Maddox's phone number?
- The practice phone number listed in the NPPES registry for Spring Maddox is (209) 928-4907.
- Does Spring Maddox accept Medicare?
- Spring Maddox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spring Maddox's NPI active?
- Yes — Spring Maddox's NPI (1538651104) is active in the NPPES registry as of the last update on 2018-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.