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DR. MELISSA A HAGER D.O.
NPI 1033590732
Internal Medicine - Rheumatology in Saint Louis, MO

Active since June 18, 2015PECOS EnrolledAccepts Medicare Assignment
3023 N BALLAS RD STE 500D, SAINT LOUIS, MO 63131(314) 996-7930 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 31, 2023, Sep 9, 2022, Jan 24, 2016 (3 updates tracked since 2016).

About Dr. Melissa A Hager D.o. NPPES

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

DR. MELISSA A HAGER D.O. (NPI 1033590732) is an individual rheumatology provider in Saint Louis, Missouri, licensed in Missouri (2018033547) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (2015).

NPPES Registry Identity

NPI1033590732
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. MELISSA A HAGERCredential: D.O.
Location Address3023 N BALLAS RD STE 500DSaint Louis, MO 63131-2359
Mailing Address3023 N Ballas Rd Ste 500dSaint Louis, MO 63131-2359 · (314) 996-7930
Phone(314) 996-7930
Sole ProprietorNo
Medical School CMSKansas City University Of Med & Biosciences, College Of Osteo MedGraduated 2015
Enumeration DateJune 18, 2015
Last NPPES UpdateOctober 31, 20233 updates tracked since enumeration
NPPES CertifiedOctober 31, 2023
✔ NPI 1033590732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MO · 2018033547
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2018033547 (MO)
3023 N BALLAS RD STE 500D, Saint Louis, MO 63131
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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. Melissa A Hager D.o. 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 ID7719294602
PECOS Enrollment IDI20200709003423
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 8

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.
397 services204 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
107 services19 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
92 services74 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.
48 services48 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.
40 services35 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
24 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Parkland Health Center

Acute Care Hospitals · Farmington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260163
Location1101 W LibertyFarmington, MO 63640 · St. Francois County
Emergency services Birthing friendly

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
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.

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 Melissa Hager's NPI number?

The NPI number for Melissa Hager is 1033590732. It was assigned to this individual provider in the NPPES registry on June 18, 2015.

Where is Melissa Hager located?

Melissa Hager practices at 3023 N Ballas Rd Ste 500D, Saint Louis, MO 63131. The listed phone number is (314) 996-7930.

What is Melissa Hager's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Melissa Hager enrolled in Medicare?

Yes. Melissa Hager 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 Melissa Hager affiliated with any hospitals?

According to CMS data, Melissa Hager is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Parkland Health Center and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Hager was last updated on October 31, 2023. 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.