ROBERT GERALD DEISS MD
NPI 1194977652
Internal Medicine in San Diego, CA

Active since October 15, 2008PECOS EnrolledAccepts Medicare Assignment
4168 FRONT ST FL 3, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: January 21, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 14, 2020, Sep 25, 2019 (2 updates tracked since 2019).

About Robert Gerald Deiss Md NPPES

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

ROBERT GERALD DEISS MD (NPI 1194977652) is an individual internal medicine provider in San Diego, California, licensed in California (A111310) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of University Of California, San Diego School Of Medicine (2007).

NPPES Registry Identity

NPI1194977652
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT GERALD DEISSCredential: MD
Location Address4168 FRONT ST FL 3San Diego, CA 92103-2030
Mailing AddressFile 57326Los Angeles, CA 90074-7326
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2007
Enumeration DateOctober 15, 2008
Last NPPES UpdateJanuary 21, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2025
NPI 1194977652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A111310
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License A111310 (CA)
4168 FRONT ST FL 3, San Diego, CA 92103

Secondary Practice Location 1

Location 1200 W Arbor DrSan Diego, CA 92103-9000 · Phone (800) 926-8273 · Fax (888) 539-8781

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Robert Gerald Deiss Md 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 ID2264662295
PECOS Enrollment IDI20141216000222
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.

Areas of Expertise CMS Part B claims 5

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.
46 services22 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
42 services27 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.
38 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
29 services19 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
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 12

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

Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103
Internal Medicine
4168 FRONT ST FL 3
SAN DIEGO, CA 92103

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 Robert Deiss's NPI number?

The NPI number for Robert Deiss is 1194977652. It was assigned to this individual provider in the NPPES registry on October 15, 2008.

Where is Robert Deiss located?

Robert Deiss practices at 4168 Front St Fl 3, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Robert Deiss's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Deiss enrolled in Medicare?

Yes. Robert Deiss 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.

When was this NPI record last updated?

The NPPES record for Robert Deiss was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.