DR. GRETI ILEANA PETERSEN
NPI 1144252040
Internal Medicine in Bakersfield, CA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
85.73/100
CMS Quality Rating
625 34TH ST STE 100&200, BAKERSFIELD, CA 93301(183) 367-8278(661) 368-0618 Get Directions Write a Review

NPPES record last updated: March 6, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Greti Ileana Petersen NPPES

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

DR. GRETI ILEANA PETERSEN (NPI 1144252040) is an individual internal medicine provider in Bakersfield, California, licensed in California (A93553) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bakersfield, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1144252040
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GRETI ILEANA PETERSEN
Location Address625 34TH ST STE 100&200Bakersfield, CA 93301-2305
Mailing Address625 34th St Ste 100&200Bakersfield, CA 93301-2305 · (183) 367-8278 · Fax (661) 368-0618
Fax(661) 368-0618
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateJuly 7, 2006
Last NPPES UpdateMarch 6, 2024
NPPES CertifiedMarch 6, 2024
NPI 1144252040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A93553
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.
625 34TH ST STE 100&200, Bakersfield, CA 93301

Secondary Practice Location 1

Location 12201 Mt. Vernon Ave, Ste 211Bakersfield, CA 93306 · Phone (661) 872-7000 · Fax (661) 872-0499

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

Dr. Greti Ileana Petersen 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 ID9537163191
PECOS Enrollment IDI20060913000202
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

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 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.
25 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93301 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
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.76
Promoting Interoperability100
Improvement Activities40
Cost59.39

Referred Medical Equipment & Supplies CMS DME claims 3

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

Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
1 supplier11 claims44 services$5.52 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$5.44 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$3.16 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.

Internal Medicine
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Nurse Practitioner (Women's Health)
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Marriage & Family Therapist
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Social Worker (Clinical)
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Pediatrics
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Pediatrics
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Marriage & Family Therapist
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301
Nurse Practitioner (Family)
625 34TH ST STE 100&200
BAKERSFIELD, CA 93301

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 Greti Petersen's NPI number?

The NPI number for Greti Petersen is 1144252040. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Greti Petersen located?

Greti Petersen practices at 625 34th St Ste 100&200, Bakersfield, CA 93301. The listed phone number is (183) 367-8278.

What is Greti Petersen's specialty?

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

Is Greti Petersen enrolled in Medicare?

Yes. Greti Petersen 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 Greti Petersen was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.