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MS. JENNIFER ANN MASSONI ANP
NPI 1629092408
Nurse Practitioner in Saint Louis, MO

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, STE 8B, SAINT LOUIS, MO 63110(314) 454-8917(314) 454-5571 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 3 more (6 updates tracked since 2016).

About Ms. Jennifer Ann Massoni Anp NPPES

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

MS. JENNIFER ANN MASSONI ANP (NPI 1629092408) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Missouri (153985) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1629092408
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. JENNIFER ANN MASSONICredential: ANP
Location Address4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, STE 8BSaint Louis, MO 63110-1032
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-8917 · Fax (314) 454-5571
Phone(314) 454-8917
Fax(314) 454-5571
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJuly 26, 2006
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
✔ NPI 1629092408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · 153985
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
4921 PARKVIEW PL, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid428330815MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, UnitedHealthcare.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

Ms. Jennifer Ann Massoni Anp 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 ID7315907094
PECOS Enrollment IDI20041018000032
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 Reassignment

Medicare enrollment records show Jennifer Massoni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University
0.3 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 1,133 clinicians in this Medicare group
NPI 1992746903 (314) 747-5192

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 7

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.

Aspiration of fluid from chest cavity using imaging guidance 32555
This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.
119 services99 patients
Drainage of fluid from chest cavity with insertion of indwelling tube using imaging guidance 32557
This procedure involves removing fluid from your chest cavity, which is the space around your lungs. A small tube is inserted, under image guidance, to drain the fluid. This tube stays in place to prevent fluid buildup, aiding in your breathing and comfort.
68 services62 patients
Ultrasound scan of chest 76604
An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.
22 services20 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.
16 services15 patients
Insertion of indwelling tube for drainage of lung fluid 32550
This procedure involves placing a tube into your chest to drain excess fluid from around your lung. This fluid can cause discomfort and breathing difficulties. The tube remains in place until all the fluid is removed, helping you breathe easier.
14 services13 patients
Review by radiologist of image for drainage of fluid 75989
This procedure involves a radiologist examining images, such as X-rays or scans, to identify areas where fluid has built up in the body. The radiologist then determines the best method to safely drain the excess fluid. This helps alleviate discomfort and promotes healing.
14 services13 patients

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

Referred Medical Equipment & Supplies CMS DME claims 2

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

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
1 supplier11 claims825 services$0.03 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
1 supplier11 claims11 services$25.37 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.

DR. CHARLES PHILLIPS JONES MD
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8200
DR. PRABHA RANGANATHAN MD
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
St. Louis City (314) 286-2635
DR. RALPH GERARD DACEY JR. MD
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
DR. KRASIMIRA MIKHAILOVA MIKHOVA MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1291
DR. JEE YOUNG HAN MD
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1408
MS. MAREN JORGENSEN OT
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1669
DR. ADRIAN SHIFREN MD
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917
DR. MYRA L RUBIO MD
Internal Medicine
4921 PARKVIEW PL, STE 5A
SAINT LOUIS, MO 63110
St. Louis City (314) 747-5900

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 Jennifer Massoni's NPI number?

The NPI number for Jennifer Massoni is 1629092408. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Jennifer Massoni located?

Jennifer Massoni practices at 4921 Parkview Pl Div Im Pulmonary And Ccm, Ste 8B, Saint Louis, MO 63110. The listed phone number is (314) 454-8917.

What is Jennifer Massoni's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jennifer Massoni enrolled in Medicare?

Yes. Jennifer Massoni 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 organization bills Medicare for Jennifer Massoni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Massoni reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Jennifer Massoni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Massoni accept?

Health plans from Cox HealthPlans and UnitedHealthcare list Jennifer Massoni as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jennifer Massoni affiliated with any hospitals?

According to CMS data, Jennifer Massoni is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Massoni was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.