NPPES file of Aug 9, 2026

Robert A. Lebby, MD

Sleep Medicine (Internal Medicine) Physician · Aliso Viejo, CA

Robert A. Lebby, MD is a sleep medicine (internal medicine) physician with a practice address in Aliso Viejo, California, and NPI 1457344129, issued on Aug 26, 2005. Check the license (California G69980, as entered in NPPES) on the Medical Board of California; 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
1457344129
Name
Robert A. Lebby
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
G69980 CA
Self-reported in NPPES; status is on the state search
Practice location
11 Mareblu Ste 200, Aliso Viejo, CA 92656
Phone
(949) 446-8990
Enumerated
Aug 26, 2005
Record last updated
Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(949) 446-8535
Medicaid ID
00G699800 CA
Medicare enrollment
Enrolled (PECOS I20060106000452); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →

Also registered at 11 Mareblu Ste 200

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

  1. Waleed Awan, MDInternal Medicine Physician1861132375
  2. Lindsey Kalmbach, PA-CPhysician Assistant1174482541
  3. George Shahinian, M.D.Pulmonary Disease Physician1487611372

Verify Robert A. Lebby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G69980    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.

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89% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

63 Medicare Part D claims for 11 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Robert Lebby63
  2. Specialty average585

Most prescribed

  1. Zolpidem Tartrate20 claims
  2. Eszopiclone14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $427.15

8 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Lebby$427.15
  2. Specialty average$3,724.37

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

Bills Medicare through one group practice

  1. Pediatric Sleep Adoption And Development Clinic IncIrvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert A. Lebby among 129 sleep medicine (internal medicine) physician records in California

Robert A. Lebby, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% 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, 95% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1989 · median 2006 among the 106 with a school on file
  • Record last updated2020 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in California

There are 129 sleep medicine (internal medicine) physician records in California.

All 129 in California → Every provider in Aliso Viejo → Sleep Medicine (Internal Medicine) Physician nationwide →

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Bruce Tammelin, M.D.Newport Beach, CA 926631942288709
  2. George Schiffman, M.D.Mission Viejo, CA 926911104803188
  3. Sahil Chopra, MDIrvine, CA 926181245545326
  4. Stacey Gunn, M.D.Irvine, CA 926181710206503
  5. Wesley Fleming, MDIrvine, CA 926041205922945
  6. Rajanigandha Dhokarh, M.DWildomar, CA 925951144417130
  7. Delmer Henninger, MDMurrieta, CA 925631942394390
  8. Isaac Reinherz, MDRiverside, CA 925061396372215

Common questions

What is Robert A. Lebby, MD's NPI number?

Robert A. Lebby, MD's National Provider Identifier (NPI) is 1457344129, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Lebby, MD located?

The NPPES record lists a practice address at 11 Mareblu Ste 200, Aliso Viejo, CA, 92656. Phone: (949) 446-8990. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Lebby, MD's license?

NPPES lists California license number G69980, 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.

How much does Robert A. Lebby, MD prescribe under Medicare Part D?

In 2024, Robert A. Lebby, MD had 63 Medicare Part D claims for 11 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.