NPPES file of Aug 9, 2026

Jennifer Hamblin, MMS, PA-C, ATC

Physician Assistant · El Cajon, CA

Jennifer Hamblin, MMS, PA-C, ATC is a physician assistant with a practice address in El Cajon, California, and NPI 1629457403, issued on May 26, 2015. Check the license (California 52439, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629457403
Name
Jennifer Hamblin
Credential
MMS, PA-C, ATC
Primary taxonomy
Physician Assistant 363A00000X
License number
52439 CA
Self-reported in NPPES; status is on the state search
Practice location
300 S Pierce St, El Cajon, CA 92020
Phone
(619) 334-4869
Enumerated
May 26, 2015
Record last updated
Mar 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180710002176); accepts Medicare assignment
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 300 S Pierce St

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

  1. Swapna Busa, M.DRheumatology Physician1841592763
  2. Ali Delbakhsh, M.D.Cardiovascular Disease Physician1154365872
  3. Rayan Hourani, M.D.Interventional Cardiology Physician1265638811
  4. Kathryn Lichtenstein, PACMedical Physician Assistant1518055615
  5. Suhail Zavaro, M.D.Cardiovascular Disease Physician1730258195

Verify Jennifer Hamblin 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 52439
    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

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67% fewer Medicare Part D claims than the average physician assistant in 2024

274 Medicare Part D claims for 136 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 206 claims were for opioids.

  1. Jennifer Hamblin274
  2. Specialty average830

Most prescribed

  1. Tramadol Hcl76 claims
  2. Hydrocodone-Acetaminophen67 claims
  3. Oxycodone-Acetaminophen59 claims
  4. Celecoxib14 claims
  5. Meloxicam12 claims
  6. Diclofenac Sodium11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 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 score86.1
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%97.0
  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).

Bills Medicare through one group practice

  1. Sonora Community HospitalSonora, CA

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

33 physician assistant records list a practice address in El Cajon

They are 33 of the 3,277 NPPES records with a practice address in El Cajon, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Jennifer Hamblin, MMS, PA-C, ATC's NPI number?

Jennifer Hamblin, MMS, PA-C, ATC's National Provider Identifier (NPI) is 1629457403, issued on May 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Hamblin, MMS, PA-C, ATC located?

The NPPES record lists a practice address at 300 S Pierce St, El Cajon, CA, 92020. Phone: (619) 334-4869. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Hamblin, MMS, PA-C, ATC's license?

NPPES lists California license number 52439, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Hamblin, MMS, PA-C, ATC prescribe under Medicare Part D?

In 2024, Jennifer Hamblin, MMS, PA-C, ATC had 274 Medicare Part D claims for 136 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Jennifer Hamblin, MMS, PA-C, ATC's MIPS final score?

The 2023 MIPS final score is 79.2 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.