Associated Surgeons of Hayward
NPI 1154700169 · Orthopaedic Surgery Physician · Castro Valley, CA
Associated Surgeons of Hayward is a Orthopaedic Surgery Physician organization in Castro Valley, CA (NPI 1154700169).
Provider details
- NPI number
- 1154700169
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregg Pottorff, Ceo(510) 886-8844
- License
- G61064 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2015-05-22
- Last updated
- 2015-05-22
Frequently asked questions
- What is Associated Surgeons of Hayward's NPI number?
- Associated Surgeons of Hayward's National Provider Identifier (NPI) is 1154700169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Associated Surgeons of Hayward?
- Associated Surgeons of Hayward is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Associated Surgeons of Hayward located?
- Associated Surgeons of Hayward's practice location on file with NPPES is 19842 Lake Chabot Rd, Castro Valley, CA 94546-4002.
- What is Associated Surgeons of Hayward's phone number?
- The practice phone number listed in the NPPES registry for Associated Surgeons of Hayward is (510) 886-8844.
- Who is the authorized official for Associated Surgeons of Hayward?
- The authorized official listed on Associated Surgeons of Hayward's NPPES record is Gregg Pottorff, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Associated Surgeons of Hayward's NPI active?
- Yes — Associated Surgeons of Hayward's NPI (1154700169) is active in the NPPES registry as of the last update on 2015-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.