MORGAN LORRAINE HENNESSY MD, PHD
NPI 1174053318
Surgery in Los Angeles, CA

Active since June 19, 2017PECOS EnrolledAccepts Medicare Assignment
87.67/100
CMS Quality Rating
8635 W 3RD ST STE 795W, LOS ANGELES, CA 90048(310) 423-8350(310) 423-8351 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 9, 2024, Aug 21, 2023 and 1 more (4 updates tracked since 2017).

About Morgan Lorraine Hennessy Md, Phd NPPES

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

MORGAN LORRAINE HENNESSY MD, PHD (NPI 1174053318) is an individual surgery provider in Los Angeles, California, licensed in California (A187629) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Harvard Medical School (2017).

NPPES Registry Identity

NPI1174053318
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameMORGAN LORRAINE HENNESSYCredential: MD, PHD
Location Address8635 W 3RD ST STE 795WLos Angeles, CA 90048-6129
Mailing Address8635 W 3rd St Ste 650wLos Angeles, CA 90048-6101
Fax(310) 423-8351
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2017
Enumeration DateJune 19, 2017
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
NPI 1174053318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in CA · A187629
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8635 W 3RD ST STE 795W, Los Angeles, CA 90048

Secondary Practice Locations 2

Location 18700 Beverly BlvdWest Hollywood, CA 90048-1804 · Phone (310) 423-8350 · Fax (310) 423-8351
Location 24650 Lincoln BlvdMarina Del Rey, CA 90292-6306 · Phone (310) 823-8911

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

Morgan Lorraine Hennessy Md, Phd 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 ID2062785249
PECOS Enrollment IDI20230905000260
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 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.

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.
158 services76 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.
67 services56 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.
28 services28 patients
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.
23 services22 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

87.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.86
Promoting Interoperability99
Improvement Activities40
Cost49.42

Other Providers at the Same Location NPPES 9

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

Nurse Practitioner (Adult Health)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Family)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Acute Care)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Nurse Practitioner (Acute Care)
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Surgery
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048
Physician Assistant
8635 W 3RD ST STE 795W
LOS ANGELES, CA 90048

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 Morgan Hennessy's NPI number?

The NPI number for Morgan Hennessy is 1174053318. It was assigned to this individual provider in the NPPES registry on June 19, 2017.

Where is Morgan Hennessy located?

Morgan Hennessy practices at 8635 W 3rd St Ste 795W, Los Angeles, CA 90048. The listed phone number is (310) 423-8350.

What is Morgan Hennessy's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Morgan Hennessy enrolled in Medicare?

Yes. Morgan Hennessy 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 Morgan Hennessy was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.