Jay Packer, M.D.
NPI 1821033150 · Anatomic Pathology & Clinical Pathology Physician · Fullerton, CA
Jay Packer, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Fullerton, CA (NPI 1821033150).
Provider details
- NPI number
- 1821033150
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G42128 (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
20 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
- 2006-06-19
- Last updated
- 2009-02-06
Frequently asked questions
- What is Jay Packer's NPI number?
- Jay Packer's National Provider Identifier (NPI) is 1821033150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Packer's specialty?
- Jay Packer is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Packer located?
- Jay Packer's practice location on file with NPPES is 101 E. Valencia Mesa Drive, Fullerton, CA 92835.
- What is Jay Packer's phone number?
- The practice phone number listed in the NPPES registry for Jay Packer is (714) 992-3907.
- Is Jay Packer's NPI active?
- Yes — Jay Packer's NPI (1821033150) is active in the NPPES registry as of the last update on 2009-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.