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DR. DANIEL R LASOFF M.D.
NPI 1669730925
Emergency Medicine in San Diego, CA

Active since April 24, 2012PECOS EnrolledAccepts Medicare Assignment
9455 CLAIREMONT MESA BLVD, SAN DIEGO, CA 92123(858) 266-2000 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 15, 2026, Oct 25, 2023, Jan 11, 2019 (3 updates tracked since 2019).

About Dr. Daniel R Lasoff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DANIEL R LASOFF M.D. (NPI 1669730925) is an individual emergency medicine provider in San Diego, California, licensed in California (A122162) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2011).

NPPES Registry Identity

NPI1669730925
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DANIEL R LASOFFCredential: M.D.
Location Address9455 CLAIREMONT MESA BLVDSan Diego, CA 92123-1297
Mailing Address9455 Clairemont Mesa BlvdSan Diego, CA 92123-1297
Phone(858) 266-2000
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2011
Enumeration DateApril 24, 2012
Last NPPES UpdateApril 15, 20263 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
✔ NPI 1669730925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A122162
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License A122162 (CA)
9455 CLAIREMONT MESA BLVD, San Diego, CA 92123
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Secondary Practice Locations 2

Location 1360 Rush DrSan Marcos, CA 92078-7901 · Phone (423) 385-7000
Location 24647 Zion AveSan Diego, CA 92120-2507 · Phone (619) 528-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Daniel R Lasoff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264745025
PECOS Enrollment IDI20150722005165
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Daniel Lasoff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
2.7 mi
Emergency Medicine
3020 CHILDRENS WAY
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 221 clinicians in this Medicare group
NPI 1609063965 (858) 576-1700
Southern California Permanente Medical Group
3.2 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000
Cep America - California
12 mi
Emergency Medicine
15615 POMERADO RD
Poway, CA 92064
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
NPI 1891703039 (858) 613-4670

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
201 services197 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
103 services102 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
71 services66 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
42 services42 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
32 services32 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAISER FOUNDATION HOSPITALS
General Acute Care Hospital
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (619) 528-5000
DONNY MUNOZ RRT, RCP
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4209
MS. TIARA MONIQUE GAWAT RCP
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-5000
IRENE CHIA
Pharmacist
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-5000
MRS. AURIE-ANN NAANOS ANCHO
Respiratory Therapist, Certified
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200
JESUS HERRERA
Respiratory Therapist, Registered (Critical Care)
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200
DR. HANNAH YOUNG MD
Internal Medicine
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (833) 574-2273
DANIELA LARA CRT, RRT
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Lasoff's NPI number?

The NPI number for Daniel Lasoff is 1669730925. It was assigned to this individual provider in the NPPES registry on April 24, 2012.

Where is Daniel Lasoff located?

Daniel Lasoff practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. The listed phone number is (858) 266-2000.

What is Daniel Lasoff's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Daniel Lasoff enrolled in Medicare?

Yes. Daniel Lasoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Daniel Lasoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Lasoff reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Diego, CA), Southern California Permanente Medical Group (San Diego, CA) and Cep America - California (Poway, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Lasoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Lasoff accept?

Health plans from WellSense Health Plan list Daniel Lasoff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Daniel Lasoff was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.