NPPES file of Aug 9, 2026

Robert Leigh Sobel, DDS

Periodontics · Encino, CA

Robert Leigh Sobel, DDS is a periodontics with a practice address in Encino, California, and NPI 1184970675, issued on Aug 2, 2012. Check the license (California 34219, as entered in NPPES) with the California board that licenses this profession; 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
1184970675
Name
Robert Leigh Sobel
Credential
DDS
Primary taxonomy
Periodontics 1223P0300X
License number
34219 CA
Self-reported in NPPES; status is on the state search
Practice location
16311 Ventura Blvd, Encino, CA 91436
Phone
(818) 788-6600
Enumerated
Aug 2, 2012
Record last updated
Aug 2, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(818) 788-2905
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 16311 Ventura Blvd

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

  1. David Aizuss, M.D.Ophthalmology Physician1346221728
  2. Tiffani Bresnick, LCSWClinical Social Worker1083340467
  3. Norman Brooks, MDDermatology Physician1508960667
  4. Bijan Broukhim, M.D.Specialist1376584698
  5. Ricardo Campbell, P.A.Physician Assistant1811978828
  6. Maury Carlin, PH.D.Clinical Psychologist1427089358

Verify Robert Leigh Sobel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 34219
    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
Find 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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55% more Medicare Part D claims than the average periodontics in 2024

428 Medicare Part D claims for 119 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Robert Sobel428
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate136 claims
  2. Amoxicillin123 claims
  3. Ibuprofen75 claims
  4. Triazolam20 claims
  5. Azithromycin19 claims
  6. Sodium Fluoride11 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: $23.99

1 payment: food and beverage; the largest payer was Geistlich Pharma, North America, Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Sobel$23.99
  2. Specialty average$1,338.41

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

Robert Leigh Sobel among 929 periodontics records in California

Robert Leigh Sobel, DDS is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2012 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in California

There are 929 periodontics records in California.

The 8 periodontics records with the nearest ZIP codes

  1. Steven Exler, DDSEncino, CA 914361578754172
  2. Gary Green, DDSEncino, CA 914361992748529
  3. Sam Khorsandi, D.D.SEncino, CA 914361629109996
  4. Sam Naim, D.D.S.Encino, CA 914361427242346
  5. Franklin Niver, D.M.D.Encino, CA 914361295727659
  6. Kory Zussman, D.D.S.Encino, CA 914361063643773
  7. Ramin Foroughi, DDSSherman Oaks, CA 914231043730211
  8. Delaram Hanookai, DDS MSSherman Oaks, CA 914231427261718

Common questions

What is Robert Leigh Sobel, DDS's NPI number?

Robert Leigh Sobel, DDS's National Provider Identifier (NPI) is 1184970675, issued on Aug 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Robert Leigh Sobel, DDS located?

The NPPES record lists a practice address at 16311 Ventura Blvd, Encino, CA, 91436. Phone: (818) 788-6600. Providers update this record themselves, so call before visiting.

How can I verify Robert Leigh Sobel, DDS's license?

NPPES lists California license number 34219, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Leigh Sobel, DDS prescribe under Medicare Part D?

In 2024, Robert Leigh Sobel, DDS had 428 Medicare Part D claims for 119 beneficiaries; the average among periodontics prescribers was 277. 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.

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.