NPPES file of Aug 9, 2026

Sumera Chaggan, PA

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Torrance, CA

Sumera Chaggan, PA is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Torrance, California, and NPI 1144702887, issued on Aug 29, 2018. Check the license (California 55885, 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
1144702887
Name
Sumera Chaggan
Credential
PA
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
55885 CA
Self-reported in NPPES; status is on the state search
Practice location
23150 Crenshaw Blvd # 100, Torrance, CA 90505
Phone
(310) 437-7399
Enumerated
Aug 29, 2018
Record last updated
May 16, 2023
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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Verify Sumera Chaggan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 55885
    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

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86% more Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

2,750 Medicare Part D claims for 311 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 1,289 claims were for opioids.

  1. Sumera Chaggan2,750
  2. Specialty average1,479

Most prescribed

  1. Hydrocodone-Acetaminophen614 claims
  2. Gabapentin387 claims
  3. Oxycodone-Acetaminophen279 claims
  4. Meloxicam156 claims
  5. Tramadol Hcl143 claims
  6. Pregabalin121 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: $779.77

20 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,126 providers of this specialty with any payment received $2,193.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sumera Chaggan$779.77
  2. Specialty average$2,193.30

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

Sumera Chaggan among 290 pain medicine (physical medicine & rehabilitation) physician records in California

Sumera Chaggan, PA is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.

  • NPI issued2018 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California

There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. William Barreto, M.D.Torrance, CA 905051053526285
  2. Arash Lavian, MDSanta Monica, CA 904041023204518
  3. Michael Sinel, M.D.Santa Monica, CA 904041760402762
  4. Moshe Ben-Roohi, M.D.Santa Monica, CA 904031497930275
  5. Jessica Boston, M.D.Santa Monica, CA 904031427129592
  6. Timothy Davis, M.D.Santa Monica, CA 904031770515603
  7. Joseph Solberg, DOSanta Monica, CA 904011063732998
  8. Aaron Arel, D.O.La Mirada, CA 906381346773520

Common questions

What is Sumera Chaggan, PA's NPI number?

Sumera Chaggan, PA's National Provider Identifier (NPI) is 1144702887, issued on Aug 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Sumera Chaggan, PA located?

The NPPES record lists a practice address at 23150 Crenshaw Blvd # 100, Torrance, CA, 90505. Phone: (310) 437-7399. Providers update this record themselves, so call before visiting.

How can I verify Sumera Chaggan, PA's license?

NPPES lists California license number 55885, 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 Sumera Chaggan, PA prescribe under Medicare Part D?

In 2024, Sumera Chaggan, PA had 2,750 Medicare Part D claims for 311 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.