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DR. GREGORY P BOTTA M.D./PH.D.
NPI 1881006955
Internal Medicine - Hematology & Oncology in La Jolla, CA

Active since May 23, 2014PECOS EnrolledAccepts Medicare Assignment
10666 N TORREY PINES RD, K323, LA JOLLA, CA 92037(858) 554-3200(858) 554-3232 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2025, Aug 6, 2019 (2 updates tracked since 2019).

About Dr. Gregory P Botta M.d./ph.d. NPPES

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

DR. GREGORY P BOTTA M.D./PH.D. (NPI 1881006955) is an individual hematology & oncology provider in La Jolla, California, licensed in California (A140495) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1881006955
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. GREGORY P BOTTACredential: M.D./PH.D.
Location Address10666 N TORREY PINES RD, K323La Jolla, CA 92037-1027
Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273
Phone(858) 554-3200
Fax(858) 554-3232
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 23, 2014
Last NPPES UpdateNovember 12, 20252 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1881006955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A140495
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
10666 N TORREY PINES RD, La Jolla, CA 92037
Open in Google Maps ↗

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. Gregory P Botta M.d./ph.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 ID8123316031
PECOS Enrollment IDI20161010000666
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 Reassignment

Medicare enrollment records show Gregory Botta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
11 mi
Allergy & Immunology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,051 clinicians in this Medicare group
NPI 1487772380 (800) 926-8273

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 10

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
214 services78 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
152 services55 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
66 services29 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
40 services24 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
40 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
36 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers20 claims1,918 services$0.75 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers16 claims16 services$18.92 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. SUSAN ELIZABETH MCKIM PA-C
Physician Assistant (Medical)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-8646
ROBERT R. VARNEY M.D.
Radiology (Vascular & Interventional Radiology)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 626-7275
DR. ERMINIA M. GUARNERI M.D.
Internal Medicine (Cardiovascular Disease)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-3330
KATRINA DELEON MD
Internal Medicine (Geriatric Medicine)
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-6158
VIRGINIA CHAN MD
Hospitalist
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-3200
NOOR QADDOUR DO
Hospitalist
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-7909
DR. DEAN J. VAYSER D.P.M.
Podiatrist
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-9300
DR. ARASH KERMANSHAHI M.D.
Orthopaedic Surgery
10666 N TORREY PINES RD
LA JOLLA, CA 92037
San Diego County (858) 554-7993

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 Gregory Botta's NPI number?

The NPI number for Gregory Botta is 1881006955. It was assigned to this individual provider in the NPPES registry on May 23, 2014.

Where is Gregory Botta located?

Gregory Botta practices at 10666 N Torrey Pines Rd K323, La Jolla, CA 92037. The listed phone number is (858) 554-3200.

What is Gregory Botta's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Gregory Botta enrolled in Medicare?

Yes. Gregory Botta 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 organization bills Medicare for Gregory Botta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Botta reassigns Medicare benefits to Regents Of The University Of California (San Diego, CA). The 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 Gregory Botta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Botta was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.