Richard Stack, M.D.
NPI 1598707747 · Pulmonary Disease Physician · Carmichael, CA
Richard Stack, M.D. is a Pulmonary Disease Physician provider in Carmichael, CA (NPI 1598707747).
Provider details
- NPI number
- 1598707747
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G54291 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-06-12
- Last updated
- 2013-01-17
Frequently asked questions
- What is Richard Stack's NPI number?
- Richard Stack's National Provider Identifier (NPI) is 1598707747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Stack's specialty?
- Richard Stack is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Stack located?
- Richard Stack's practice location on file with NPPES is 6403 Coyle Ave, Carmichael, CA 95608-0311.
- What is Richard Stack's phone number?
- The practice phone number listed in the NPPES registry for Richard Stack is (916) 482-7621.
- Is Richard Stack's NPI active?
- Yes — Richard Stack's NPI (1598707747) is active in the NPPES registry as of the last update on 2013-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.