What is John Siever's NPI number?

John Siever's National Provider Identifier (NPI) is 1538118781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Siever's specialty?

John Siever is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).

Where is John Siever located?

John Siever's practice location on file with NPPES is 3330 N 2nd St, Phoenix, AZ 85012-2368.

What is John Siever's phone number?

The practice phone number listed in the NPPES registry for John Siever is (602) 274-7195.

Is John Siever's NPI active?

Yes — John Siever's NPI (1538118781) is active in the NPPES registry as of the last update on 2011-11-08.

IndividualActive

John Siever, M.D.

NPI 1538118781 · Pulmonary Disease Physician · Phoenix, AZ

John Siever, M.D. is a Pulmonary Disease Physician provider in Phoenix, AZ (NPI 1538118781).

Provider details

NPI number: 1538118781
Entity type: Individual
Primary specialty: Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 10088 (AZ)

Specialties & taxonomies

Pulmonary Disease PhysicianPrimary207RP1001XLicense 10088 (AZ)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 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
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

3330 N 2nd St

Suite 300

Phoenix, AZ 85012-2368

Phone: (602) 274-7195

Fax: (602) 274-7097

Street-level locationGet directions

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Mailing address