DR. LOREN K. MELL (M.D.) – Radiation Oncology Physician, NPI 1316119704

DR. LOREN K. MELL (M.D.) is a healthcare provider. based in La jolla, California. specializing in RADIATION ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. A104704 (CA). The NPI Number for DR. LOREN K. MELL (M.D.) is 1316119704

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
DR. LOREN K. MELL (M.D.)
NPI
1316119704
Phone
(858) 822-6040
Address
3855 HEALTH SCIENCES DR. MC0843
Enumeration Date
26 March 2008
Last Update Date
19 March 2020

Doctor Profile

Medical School Name
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Secondary Phone
8585497400
Graduation Year
2003 (23 years ago)
PAC ID
1557438041
Group Practice PAC ID
7214202936
Professional Enrollment ID
I20080925000249
Address ID
CA921213101SA9730XRDXX400
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness75
Years active:18State licenses:1Digital endpointsOther names

679 RADIATION ONCOLOGY in CA

Provider Addresses for DR. LOREN K. MELL (M.D.)

  • 3855 HEALTH SCIENCES DR. MC0843

    UCSD DEPARTMENT OF RADIATION ONCOLOGY

    LA JOLLA, CA 92093

    Phone: (858) 822-6040

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $150.

Total Amount is formed as General ($150) + Research ($0) + Ownership ($0) = $150.

Last reported payment date: 2023-10-03 • Largest payer in this snapshot: Genentech, Inc. ($150).

Total Amount

$150

General + Research + Ownership

Payments

1

Total payment records

General Amount

$150

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-03

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Genentech, Inc.$150
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-09-25

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080925000249IRadiation OncologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
77014Ct guidance for insertion of radiation therapy fields488124$0
77300Calculation of radiation therapy dose20347$0
77427Radiation treatment management, 5 treatment sessions16657$0
99215Established patient office or other outpatient visit, 40-54 minutes8753$0
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy7623$0
View full utilization report →

Insurance plans in this area (ZIP 92093)

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Provider's Procedures

DR. LOREN K. MELL (M.D.) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RADIATION ONCOLOGYCA77263Management of radiation therapy, complex3030
RADIATION ONCOLOGYCA77300Calculation of radiation therapy dose9620

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7214202936View full group profile
NameSpecialtyState
Radiation OncologyCA
Radiation OncologyCA
Radiation Oncology, Hospice/Palliative CareOK
Radiation OncologyCA
Radiation OncologyCA
Radiation OncologyCA
Radiation OncologyCA
Radiation OncologyCA
Radiation OncologyIL
Radiation OncologyCA

Reviews

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Frequently asked questions

What NPI should I save for DR. LOREN K. MELL (M.D.)?
Save NPI 1316119704 if you need a stable reference for DR. LOREN K. MELL (M.D.).
Does this profile mean DR. LOREN K. MELL (M.D.) is currently active?
Yes — DR. LOREN K. MELL (M.D.) appears active in the national provider directory.
Can you summarize DR. LOREN K. MELL (M.D.)'s specialty in plain language?
Clinically, the directory lists DR. LOREN K. MELL (M.D.) with Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
Does DR. LOREN K. MELL (M.D.) practice in California?
You will see La Jolla, California on file for DR. LOREN K. MELL (M.D.) alongside any extra practice locations.
How can I contact DR. LOREN K. MELL (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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