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JETHRO TREES RITTER D.O.
NPI 1457330797
Internal Medicine - Infectious Disease in San Luis Obispo, CA

Active since January 13, 2006PECOS EnrolledAccepts Medicare Assignment
1551 BISHOP ST STE 250, SAN LUIS OBISPO, CA 93401(805) 540-0689(805) 541-4376 Get Directions Write a Review

NPPES record last updated: May 12, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jethro Trees Ritter D.o. NPPES

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

JETHRO TREES RITTER D.O. (NPI 1457330797) is an individual infectious disease provider in San Luis Obispo, California, licensed in California (20A8407) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1457330797
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameJETHRO TREES RITTERCredential: D.O.
Location Address1551 BISHOP ST STE 250San Luis Obispo, CA 93401-4661
Mailing AddressPo Box 1206Goleta, CA 93116-1206 · (805) 540-0689
Phone(805) 540-0689
Fax(805) 541-4376
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJanuary 13, 2006
Last NPPES UpdateMay 12, 2023
NPPES CertifiedMay 12, 2023
✔ NPI 1457330797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · 20A8407
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1551 BISHOP ST STE 250, San Luis Obispo, CA 93401
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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

Jethro Trees Ritter D.o. 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 ID3072503127
PECOS Enrollment IDI20040512001340
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 Jethro Ritter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

J Trees Ritter, Do, Inc.
Same address
Infectious Disease
1551 BISHOP ST STE 250
San Luis Obispo, CA 93401
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1679772867 (805) 540-0689

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 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.

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.
747 services223 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.
372 services121 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.
210 services196 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.
79 services41 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.
18 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93401 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
$135.73 typical visit price
range $59.84 – $178.89
Typical copayment $33.93 (range $14.96 – $44.72)
Most-billed visit code 99204
Established Patient
$104.82 typical visit price
range $19.70 – $146.55
Typical copayment $26.20 (range $4.92 – $36.63)
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 2

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

CHRISTOPHER VAUGHN HOLLAND M.D.
Internal Medicine (Infectious Disease)
1551 BISHOP ST STE 250
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 540-0689
J TREES RITTER, DO, INC.
Internal Medicine (Infectious Disease)
1551 BISHOP ST STE 250
SAN LUIS OBISPO, CA 93401
San Luis Obispo County (805) 540-0689

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 Jethro Ritter's NPI number?

The NPI number for Jethro Ritter is 1457330797. It was assigned to this individual provider in the NPPES registry on January 13, 2006.

Where is Jethro Ritter located?

Jethro Ritter practices at 1551 Bishop St Ste 250, San Luis Obispo, CA 93401. The listed phone number is (805) 540-0689.

What is Jethro Ritter's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Jethro Ritter enrolled in Medicare?

Yes. Jethro Ritter 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 Jethro Ritter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jethro Ritter reassigns Medicare benefits to J Trees Ritter, Do, Inc. (San Luis Obispo, 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 Jethro Ritter'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 Jethro Ritter was last updated on May 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.