DR. MAX CHRISTIAN PETERSEN MD
NPI 1184112344
Internal Medicine - Endocrinology, Diabetes & Metabolism in Saint Louis, MO

Active since April 24, 2018PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
4921 PARKVIEW PL, DIV IM ENDOCRINOLOGY, STE 13B, SAINT LOUIS, MO 63110(314) 362-3500(314) 230-1119 Get Directions Write a Review

NPPES record last updated: May 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Aug 8, 2023 and 3 more (6 updates tracked since 2018).

About Dr. Max Christian Petersen Md NPPES

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

DR. MAX CHRISTIAN PETERSEN MD (NPI 1184112344) is an individual endocrinology, diabetes & metabolism provider in Saint Louis, Missouri, licensed in Missouri (2020015426) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Yale University School Of Medicine (2018).

NPPES Registry Identity

NPI1184112344
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MAX CHRISTIAN PETERSENCredential: MD
Location Address4921 PARKVIEW PL, DIV IM ENDOCRINOLOGY, STE 13BSaint Louis, MO 63110-1032
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-3500 · Fax (314) 230-1119
Fax(314) 230-1119
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2018
Enumeration DateApril 24, 2018
Last NPPES UpdateMay 2, 20256 updates tracked since enumeration
NPPES CertifiedMay 2, 2025
NPI 1184112344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MO · 2020015426
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X · License 2020015426 (MO)
Also ListedInternal MedicineTaxonomy 207R00000X · License 2020015426 (MO)
Also ListedHospitalistTaxonomy 208M00000X · License 2020015426 (MO)
4921 PARKVIEW PL, Saint Louis, MO 63110

Other Identifiers 1

Medicaid200086114MO

Accepted Insurance

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. Max Christian Petersen Md 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 ID4587915343
PECOS Enrollment IDI20230907000282
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 3

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.

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.
43 services18 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.
24 services19 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
18 services11 patients

Hospital Affiliations CMS Care Compare 2

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

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
$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.

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

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
6 suppliers56 claims56 services$182.50 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.

Physician Assistant
4921 PARKVIEW PL, DIV SURG HPB, STE 12B
SAINT LOUIS, MO 63110
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110

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 Max Petersen's NPI number?

The NPI number for Max Petersen is 1184112344. It was assigned to this individual provider in the NPPES registry on April 24, 2018.

Where is Max Petersen located?

Max Petersen practices at 4921 Parkview Pl Div Im Endocrinology, Ste 13B, Saint Louis, MO 63110. The listed phone number is (314) 362-3500.

What is Max Petersen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Max Petersen enrolled in Medicare?

Yes. Max Petersen 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.

What insurance does Max Petersen accept?

Health plans from Cox HealthPlans list Max Petersen 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 Max Petersen affiliated with any hospitals?

According to CMS data, Max Petersen is affiliated with Memorial Hospital and Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Max Petersen was last updated on May 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.