Registry data as of Aug 27, 2026

Ashley Gregg, MD

Pediatrics Physician · Calabasas, CA

Ashley Gregg, MD is a pediatrics physician with a practice address in Calabasas, California, and NPI 1144640152, issued on Apr 17, 2014. Check the license (California A162709, as entered in NPPES) on the Medical Board of California; 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
1144640152
Name
Ashley Gregg
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A162709 CA
Self-reported in NPPES; status is on the state search
Practice location
26585 Agoura RD Ste 360, Calabasas, CA 91302
Phone
(818) 592-2320
Enumerated
Apr 17, 2014
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 26585 Agoura RD Ste 360

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

  1. Kimberly AllenPediatrics Physician1811428469
  2. Meghan Brombach Bajaj, DOFamily Medicine Physician1093219230
  3. Celia Cruz, M.D.Pediatrics Physician1316146038
  4. Scott Feder, MDPediatrics Physician1871112656
  5. Jessica Grant-Dennis, MDPediatrics Physician1801536578
  6. Kori GreenSpeech-Language Pathologist1619509650

Verify Ashley Gregg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A162709
    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 California 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

The practice group's Medicare quality score for 2023: 86.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costout of 100 · 30%66.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

18 pediatrics physician records list a Calabasas practice address

They are 18 of the 786 NPPES records with a Calabasas practice address, and 10,094 pediatrics physician records in California.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Lauren Abbas, MDLos Angeles, CA1982163796
  7. Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. David Abbott, MDSanta Barbara, CA1144233370
  10. Lara Abbott, M.D.San Fernando, CA1053312868

Common questions

What is Ashley Gregg, MD's NPI number?

Ashley Gregg, MD's National Provider Identifier (NPI) is 1144640152, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Gregg, MD located?

The NPPES record lists a practice address at 26585 Agoura RD Ste 360, Calabasas, CA, 91302. Phone: (818) 592-2320. Providers update this record themselves, so call before visiting.

How can I verify Ashley Gregg, MD's license?

NPPES lists California license number A162709, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Ashley Gregg, MD's Medicare quality score?

The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.