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JAMES ROBERT TRETTIN MD
NPI 1750656971
Emergency Medicine in Lompoc, CA

Active since March 21, 2012PECOS EnrolledAccepts Medicare Assignment
161 OAKMONT AVE, LOMPOC, CA 93436(805) 733-0765 Get Directions Write a Review

NPPES record last updated: September 27, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James Robert Trettin Md NPPES

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

JAMES ROBERT TRETTIN MD (NPI 1750656971) is an individual emergency medicine provider in Lompoc, California, licensed in Maine (MD20676) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1750656971
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJAMES ROBERT TRETTINCredential: MD
Location Address161 OAKMONT AVELompoc, CA 93436-1310
Mailing Address35 Medical Center PkwyAugusta, ME 04330-8160 · (207) 626-1206 · Fax (207) 626-1648
Phone(805) 733-0765
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 21, 2012
Last NPPES UpdateSeptember 27, 2018
✔ NPI 1750656971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in ME · MD20676
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.
161 OAKMONT AVE, Lompoc, CA 93436
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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

James Robert Trettin 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 ID7517186042
PECOS Enrollment IDI20160927000574
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 James Trettin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lompoc Valley Medical Center
4.7 mi
General Practice
136 N 3RD ST
Lompoc, CA 93436
  • Reassigned Medicare billing, California enrollment
  • 117 clinicians in this Medicare group
NPI 1649282856 (805) 736-1253
Santa Ynez River Physicians, PC
4.8 mi
Emergency Medicine
1515 E OCEAN AVE
Lompoc, CA 93436
  • Reassigned Medicare billing, California enrollment
  • 54 clinicians in this Medicare group
NPI 1396210597 (805) 737-3300
California Hospitalists Emergency Physicians Medical Group Inc
148 mi
Emergency Medicine
13222 BLOOMFIELD AVE
Norwalk, CA 90650
  • Reassigned Medicare billing, California enrollment
  • 55 clinicians in this Medicare group
NPI 1760648539 (747) 283-1809

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.

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.
327 services290 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.
219 services185 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.
128 services120 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.
79 services75 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
58 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93436 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
$94.71 typical visit price
range $62.01 – $184.40
Typical copayment $23.67 (range $15.50 – $46.10)
Most-billed visit code 99203
Established Patient
$108.26 typical visit price
range $20.60 – $151.20
Typical copayment $27.06 (range $5.15 – $37.80)
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.

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 James Trettin's NPI number?

The NPI number for James Trettin is 1750656971. It was assigned to this individual provider in the NPPES registry on March 21, 2012.

Where is James Trettin located?

James Trettin practices at 161 Oakmont Ave, Lompoc, CA 93436. The listed phone number is (805) 733-0765.

What is James Trettin's specialty?

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

Is James Trettin enrolled in Medicare?

Yes. James Trettin 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 James Trettin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Trettin reassigns Medicare benefits to 3 organizations: Lompoc Valley Medical Center (Lompoc, CA), Santa Ynez River Physicians, PC (Lompoc, CA) and California Hospitalists Emergency Physicians Medical Group Inc (Norwalk, 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 James Trettin'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 James Trettin was last updated on September 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.