NPPES file of Aug 9, 2026

Grazyna M. Piekos-Sobczak, M.D.

Pediatric Endocrinology Physician · Phoenix, AZ

Grazyna M. Piekos-Sobczak, M.D. is a pediatric endocrinology physician with a practice address in Phoenix, Arizona, and NPI 1992797906, issued on Aug 16, 2005. Check the license (Arizona 34162, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992797906
Name
Grazyna M. Piekos-Sobczak
Credential
M.D.
Primary taxonomy
Pediatric Endocrinology Physician 2080P0205X
License number
34162 AZ
Self-reported in NPPES; status is on the state search
Practice location
1920 E Cambridge Ave Ste 301, Phoenix, AZ 85006
Phone
(602) 933-0935
Enumerated
Aug 16, 2005
Record last updated
Mar 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(602) 933-2471
Medicaid ID
944646 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1920 E Cambridge Ave Ste 301

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lauren Abert, MS, RD,CDERegistered Dietitian1023446358
  2. Amanda Campos, M.D.Pediatric Endocrinology Physician1053653113
  3. Corinne Ciuris, R.D.Registered Dietitian1598257248
  4. Robert Gonsalves, DOPediatric Endocrinology Physician1619395357
  5. Bruce Hecht, M.D.Pediatric Cardiology Physician1174631196
  6. Casey Kinney, CDEDiabetes Educator Registered Nurse1538755848

Verify Grazyna M. Piekos-Sobczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 34162
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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Industry payments in 2024: $1,706.84

11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 931 providers of this specialty with any payment received $4,382.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grazyna Piekos-Sobczak$1,706.84
  2. Specialty average$4,382.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Grazyna M. Piekos-Sobczak among 36 pediatric endocrinology physician records in Arizona

Grazyna M. Piekos-Sobczak, M.D. is one of 36 pediatric endocrinology physician records with a practice address in Arizona. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2018 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Endocrinology Physician providers in Arizona

There are 36 pediatric endocrinology physician records in Arizona.

The 8 pediatric endocrinology physician records with the nearest ZIP codes

  1. Amanda Campos, M.D.Phoenix, AZ 850061053653113
  2. Robert Gonsalves, DOPhoenix, AZ 850061619395357
  3. Bethany Gottesman Bowen, MDPhoenix, AZ 850061164849899
  4. Dorothee Newbern, M.D.Phoenix, AZ 850061588837900
  5. Oliver Oatman, DOPhoenix, AZ 850061780857268
  6. Micah Olson, MDPhoenix, AZ 850061417981440
  7. Janiel Pimentel-Vasquez, MDPhoenix, AZ 850061881932226
  8. Pamela Smith, M.D.Phoenix, AZ 850061518306448

Common questions

What is Grazyna M. Piekos-Sobczak, M.D.'s NPI number?

Grazyna M. Piekos-Sobczak, M.D.'s National Provider Identifier (NPI) is 1992797906, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Grazyna M. Piekos-Sobczak, M.D. located?

The NPPES record lists a practice address at 1920 E Cambridge Ave Ste 301, Phoenix, AZ, 85006. Phone: (602) 933-0935. Providers update this record themselves, so call before visiting.

How can I verify Grazyna M. Piekos-Sobczak, M.D.'s license?

NPPES lists Arizona license number 34162, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.