JEFFREY S HARDESTY M.D.
NPI 1447364062
Obstetrics & Gynecology in Loma Linda, CA

Q: What is Jeffrey Hardesty's NPI number?

The NPI number for Jeffrey Hardesty is 1447364062. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Q: What is Jeffrey Hardesty's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Hardesty was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 19, 2006PECOS EnrolledAccepts Medicare Assignment

85.18/100

CMS Quality Rating

11370 ANDERSON ST, STE 3900, LOMA LINDA, CA 92354(909) 558-2806 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Jeffrey S Hardesty M.d. NPPES

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

JEFFREY S HARDESTY M.D. (NPI 1447364062) is an individual obstetrics & gynecology provider in Loma Linda, California, licensed in California (G46835) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Guam Memorial Hospital Authority, and maintains a secondary practice location in Tamuning.

NPPES Registry Identity

NPI1447364062

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameJEFFREY S HARDESTYCredential: M.D.

Location Address11370 ANDERSON ST, STE 3900Loma Linda, CA 92354-3450

Mailing Address54701 File NumberLos Angeles, CA 90074-4701 · (909) 558-3111

Phone(909) 558-2806

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1977

Enumeration DateAugust 19, 2006

Last NPPES UpdateFebruary 3, 2026

NPPES CertifiedFebruary 3, 2026

✔ NPI 1447364062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CA · G46835✔ Licensed in GU · M-2505

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

11370 ANDERSON ST, Loma Linda, CA 92354

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Secondary Practice Location 1

Location 1472 Chalan San AntonioTamuning, GU 96913-3605 · Phone (671) 646-8881 · Fax (671) 648-2548

Other Identifiers 1

Medicaid00G468350CA

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

Jeffrey S Hardesty M.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 ID1052391539

PECOS Enrollment IDI20040723001174, I20250923003363

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 21

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.

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

190 services134 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.

171 services100 patients

Catheterization for collection of specimen, single patient, all places of service P9612

Catheterization is a procedure where a small, flexible tube is inserted into your body to collect a specimen for testing. This is done in a safe, sterile environment and is a common method for obtaining a sample. It's typically done in a hospital or clinic.

103 services84 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.

80 services65 patients

Irrigation of vagina and/or application of drug to treat infection 57150

This procedure involves gently flushing the internal area with a sterile solution to cleanse it. After cleansing, a medication is applied to help treat any existing infection. This process is performed by a healthcare professional to ensure your comfort and safety.

75 services31 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

56 services47 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

44 services44 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

35 services35 patients

Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies 51729

This procedure helps to measure the pressure inside your bladder while passing fluid. It checks how well your bladder and the tube that carries fluid from your bladder are working. It's important for diagnosing issues with fluid flow and storage.

33 services33 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

33 services33 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

33 services33 patients

Insertion of device into abdomen with pressure and urine flow rate study 51797

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

33 services33 patients

Repair of bulging of rectum and bladder into vaginal wall 57265

This procedure involves correcting a condition where the rectum and bladder bulge into the vaginal wall, causing discomfort. The operation helps to restore these organs to their normal position, improving comfort and functionality.

28 services28 patients

Creation of sling around urethra in female to control leakage 57288

This procedure involves creating a supportive loop around a tube in your lower body that carries liquid waste. This helps manage any unwanted leakage, providing you with better control and comfort.

23 services23 patients

Fitting and insertion of vaginal support device 57160

A vaginal support device is a medical tool used to provide support to pelvic organs. During the procedure, a healthcare professional will gently place the device into the appropriate area. This is typically done in a clinical setting and can help with various health conditions.

20 services13 patients

Pessary, reusable, non rubber, any type A4562

A pessary is a device placed in the body to support areas that have dropped due to age or childbirth. It's made of non-rubber material. It's inserted and removed by a healthcare professional. Regular check-ups are needed to ensure comfort and proper function.

19 services13 patients

Repair of prolapsing vaginal vault through vagina 57283

This procedure involves fixing a condition where the top part of the inner passage drops down. This is done through the same passage without any external incisions. It aims to restore normal structure and function.

18 services18 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

13 services12 patients

Exam with injections of chemical for destruction of bladder using an endoscope 52287

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

12 services11 patients

Removal of uterus, tubes, and/or ovaries through vagina, 250.0 g or less 58262

This procedure involves the removal of certain internal parts through a natural body opening. It's done when these parts are causing health issues. The specific parts removed depend on your personal health situation. The procedure is safe and common.

12 services12 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Guam Memorial Hospital Authority

Acute Care Hospitals · Tamuning, GU

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number650001

Location85O Gov Carlos G Camacho RoadTamuning, GU 96913 · Guam County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

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.

85.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

71.81

Promoting Interoperability

Improvement Activities

Cost

64.54

Reported Quality Measures

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

100%139 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

JOHN Y KIM M.D.

Otolaryngology

11370 ANDERSON ST, SUITE 2100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2822

EDMUND YUEY KUN KO M.D.

Urology

11370 ANDERSON ST, SUITE 1100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2830

SNORRI OLAFSSON M.D.

Internal Medicine (Gastroenterology)

11370 ANDERSON ST, STE 3150
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2191

SIGVE K. TONSTAD M.D.

Internal Medicine

11370 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2870

KHASHAYAR DASHTIPOUR M.D.

Psychiatry & Neurology (Neurology)

11370 ANDERSON ST, SUITE 2400
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2880

DOUGLAS DEMING M.D.

Pediatrics (Neonatal-Perinatal Medicine)

11370 ANDERSON ST, STE B-100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2848

ABEL TORRES M.D.

Dermatology (MOHS-Micrographic Surgery)

11370 ANDERSON ST, STE 2600
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2055

MIA NEPOMUCENO-PEREZ M.D.

Pathology (Anatomic Pathology)

11370 ANDERSON ST, STE 2960
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6422

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 Jeffrey Hardesty's NPI number?

The NPI number for Jeffrey Hardesty is 1447364062. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is Jeffrey Hardesty located?

Jeffrey Hardesty practices at 11370 Anderson St Ste 3900, Loma Linda, CA 92354. The listed phone number is (909) 558-2806.

What is Jeffrey Hardesty's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Jeffrey Hardesty enrolled in Medicare?

Yes. Jeffrey Hardesty 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.

Is Jeffrey Hardesty affiliated with any hospitals?

According to CMS data, Jeffrey Hardesty is affiliated with Guam Memorial Hospital Authority.

When was this NPI record last updated?

The NPPES record for Jeffrey Hardesty was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.