NPPES file of Aug 9, 2026

Catherine L. Oberg, M.D.

Pulmonary Disease Physician · Torrance, CA

Catherine L. Oberg, M.D. is a pulmonary disease physician with a practice address in Torrance, California, and NPI 1558633503, issued on Feb 7, 2012. Check the license (California A124439, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558633503
Name
Catherine L. Oberg
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
A124439 CA
Self-reported in NPPES; status is on the state search
Practice location
3701 Skypark Dr Ste 200, Torrance, CA 90505
Phone
(310) 378-8900
Enumerated
Feb 7, 2012
Record last updated
Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 791-0789
Medicare enrollment
Enrolled (PECOS I20240412000751); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 3701 Skypark Dr Ste 200

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

  1. Daniel Ho, MDInfectious Disease Physician1245867613
  2. Nikita JambulingamSleep Medicine (Internal Medicine) Physician1942797121
  3. Nour Khouzam, MDInfectious Disease Physician1427309285
  4. Aditya Kotecha, M.D.Pulmonary Disease Physician1811375371
  5. Yana Kryvokhyzha, DOAllergy & Immunology Physician1548753312
  6. Cole Liberator, M. D.Pulmonary Disease Physician1912261736

Verify Catherine L. Oberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124439
    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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96% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

53 Medicare Part D claims for 21 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 72% of claims.

  1. Catherine Oberg53
  2. Specialty average1,425

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 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).

Industry payments in 2024: $120,721.10

143 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Oberg$120,721
  2. Specialty average$5,160

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. Memorial Pulmonary Function GroupNew York, NY

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

Catherine L. Oberg among 1,443 pulmonary disease physician records in California

Catherine L. Oberg, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 74% of them.

  • NPI issued2012 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2011 · median 2002 among the 1,061 with a school on file
  • Record last updated2019 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. John Abe, MDTorrance, CA 905051578542569
  2. Robert Chang, MDTorrance, CA 905051902885833
  3. Khalid Eltawil, MDTorrance, CA 905051396724399
  4. Caleb Hsieh, M.D.Torrance, CA 905051760725550
  5. Richard Huynh, M.D.Torrance, CA 905051184858243
  6. Aditya Kotecha, M.D.Torrance, CA 905051811375371
  7. Cole Liberator, M. D.Torrance, CA 905051912261736
  8. Mladen Rasic, M.D.Torrance, CA 905051659313971

Common questions

What is Catherine L. Oberg, M.D.'s NPI number?

Catherine L. Oberg, M.D.'s National Provider Identifier (NPI) is 1558633503, issued on Feb 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Catherine L. Oberg, M.D. located?

The NPPES record lists a practice address at 3701 Skypark Dr Ste 200, Torrance, CA, 90505. Phone: (310) 378-8900. Providers update this record themselves, so call before visiting.

How can I verify Catherine L. Oberg, M.D.'s license?

NPPES lists California license number A124439, 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 Catherine L. Oberg, M.D. prescribe under Medicare Part D?

In 2024, Catherine L. Oberg, M.D. had 53 Medicare Part D claims for 21 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Catherine L. Oberg, M.D.'s MIPS final 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), 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.