DR. JUSTIN LEE MASSENGALE M.D.
NPI 1003096736
Neurological Surgery in Fresno, CA

Q: What is Justin Massengale's NPI number?

The NPI number for Justin Massengale is 1003096736. It was assigned to this individual provider in the NPPES registry on November 9, 2007.

Q: What is Justin Massengale's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Justin Massengale was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 November 09, 2007PECOS EnrolledAccepts Medicare Assignment

7300 N FRESNO ST, FRESNO, CA 93720(559) 448-4000 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Justin Lee Massengale M.d. NPPES

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

DR. JUSTIN LEE MASSENGALE M.D. (NPI 1003096736) is an individual neurological surgery provider in Fresno, California, licensed in Massachusetts (238944) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2001).

NPPES Registry Identity

NPI1003096736

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameDR. JUSTIN LEE MASSENGALECredential: M.D.

Location Address7300 N FRESNO STFresno, CA 93720-2941

Mailing Address7300 N Fresno StFresno, CA 93720-2941 · (559) 448-4000

Phone(559) 448-4000

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2001

Enumeration DateNovember 9, 2007

Last NPPES UpdateMarch 5, 2025

NPPES CertifiedMarch 4, 2025

✔ NPI 1003096736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in MA · 238944

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

7300 N FRESNO ST, Fresno, CA 93720

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Other Identifiers 1

Medicaid110082708AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Dr. Justin Lee Massengale 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 ID2769537042

PECOS Enrollment IDI20250314001140

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

Medicare enrollment records show Justin Massengale reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

116 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is

2,584 mi

Urology

100 WEST ST
Needham, MA 02494

Reassigned Medicare billing, Massachusetts enrollment
39 clinicians in this Medicare group

NPI 1902316136 (781) 433-2110

Steward Medical Group, Inc

2,586 mi

Specialist

9 GALEN ST
Watertown, MA 02472

Reassigned Medicare billing, Massachusetts enrollment
1,103 clinicians in this Medicare group

NPI 1629398219 (615) 467-4474

Beth Israel Deaconess Medical Center, Inc.

2,590 mi

General Acute Care Hospital

330 BROOKLINE AVE, ST 207
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
1,477 clinicians in this Medicare group

NPI 1548202641 (617) 667-1961

Jordan Physician Associates, Inc.

2,618 mi

Family Medicine

275 SANDWICH ST
Plymouth, MA 02360

Reassigned Medicare billing, Massachusetts enrollment
239 clinicians in this Medicare group

NPI 1538145131 (508) 830-2401

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 11

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 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.

85 services64 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.

63 services49 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.

33 services28 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

26 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

25 services25 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.

25 services25 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

24 services24 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

18 services18 patients

Heat destruction of intraosseous basivertebral nerve in bones of spine in lower back, first two bones 64628

This procedure involves the use of heat to disable the basivertebral nerve within the first two bones of your lower spine. It's done to alleviate chronic lower back pain. It's a safe, minimally invasive procedure with a quick recovery time.

13 services13 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.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93720 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

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.

MAULIK SHAH MD

Internal Medicine