Registry data as of Aug 27, 2026

Grazyna Piekos-Sobczak, M.D.

Pediatrics Physician · Phoenix, AZ

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

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992797906
Name
Grazyna Piekos-Sobczak
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
Practice location
1920 E Cambridge Ave Ste 301, Phoenix, AZ 85006
Phone
(602) 933-0935
Enumerated
Aug 16, 2005
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 Piekos-Sobczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $1,706.84

11 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 23,406 providers of this specialty with any payment received $1,203.67 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$1,203.67

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

550 pediatrics physician records list a Phoenix practice address

They are 550 of the 31,399 NPPES records with a Phoenix practice address, and 1,448 pediatrics physician records in Arizona.

Other pediatrics physician records in Arizona

  1. Neil Aaron, MDTempe, AZ1477551083
  2. Alexa Aaronson, MDTucson, AZ1427793652
  3. Maria Abad, MDCasa Grande, AZ1295713741
  4. Kristopher Abbate, MDTucson, AZ1184112401
  5. Sally Abdelmalek, MDMarana, AZ1952896839
  6. Yasmeen Abdulrahman, MDTucson, AZ1487322590
  7. Nicole Abdy, M.D.Tucson, AZ1669670634
  8. Joselita Abeleda, MDSierra Vista, AZ1346276482
  9. Yara Abu SalahTucson, AZ1952235061
  10. Stuart Adair, M.DSacaton, AZ1568497287

Common questions

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

Grazyna 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 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 Piekos-Sobczak, M.D.'s license?

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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.