JOHN STAMM M.D.
NPI 1982050035
Hospitalist in Phoenix, AZ

Q: What is John Stamm's NPI number?

The NPI number for John Stamm is 1982050035. It was assigned to this individual provider in the NPPES registry on May 8, 2016.

Q: What is John Stamm's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for John Stamm was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 08, 2016PECOS Enrolled

1919 E THOMAS RD, PHOENIX, AZ 85016(513) 473-7505 Get Directions Write a Review

NPPES record last updated: December 9, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 9, 2020, Oct 29, 2020, Aug 25, 2020 (3 updates tracked since 2020).

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About John Stamm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN STAMM M.D. (NPI 1982050035) is an individual hospitalist provider in Phoenix, Arizona, licensed in Arizona (59222) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982050035

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameJOHN STAMMCredential: M.D.

Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710

Mailing Address3200 E Camelback Rd Ste 250Phoenix, AZ 85018-2327 · (602) 933-1814

Phone(513) 473-7505

Sole ProprietorNo

Enumeration DateMay 8, 2016

Last NPPES UpdateDecember 9, 20203 updates tracked since enumeration

NPPES CertifiedDecember 9, 2020

✔ NPI 1982050035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in AZ · 59222

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedPediatricsTaxonomy 208000000X · License 59222 (AZ)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1919 E THOMAS RD, Phoenix, AZ 85016

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Stamm M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show John Stamm reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Phoenix Children's Hospital

Same address

Pediatrics

1919 E THOMAS RD
Phoenix, AZ 85016

Reassigned Medicare billing, Arizona enrollment
1,416 clinicians in this Medicare group

NPI 1922112044 (602) 933-1000

Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm

1.4 mi

Public Health or Welfare

4212 N 16TH ST
Phoenix, AZ 85016

Reassigned Medicare billing, Texas enrollment
599 clinicians in this Medicare group

NPI 1083643738 (602) 263-1200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMUR RAGHIB M.D.

Hospitalist