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DR. CHRISTOPHER BARCLAY HAMM M.D.
NPI 1730490830
Internal Medicine in Des Peres, MO

Active since June 23, 2010PECOS EnrolledAccepts Medicare Assignment
1000 DES PERES RD, STE 310, DES PERES, MO 63131(314) 821-1313(314) 821-5670 Get Directions Write a Review

NPPES record last updated: January 23, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Christopher Barclay Hamm M.d. NPPES

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

DR. CHRISTOPHER BARCLAY HAMM M.D. (NPI 1730490830) is an individual internal medicine provider in Des Peres, Missouri, licensed in Missouri (2010019752) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1730490830
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHRISTOPHER BARCLAY HAMMCredential: M.D.
Location Address1000 DES PERES RD, STE 310Des Peres, MO 63131-2050
Mailing Address1000 Des Peres Rd, Ste 310Des Peres, MO 63131-2050 · (314) 821-1313 · Fax (314) 821-5670
Phone(314) 821-1313
Fax(314) 821-5670
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 23, 2010
Last NPPES UpdateJanuary 23, 2015
✔ NPI 1730490830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2010019752
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 DES PERES RD, Des Peres, MO 63131
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Other Identifiers 3

Medicare PIN152800163MO
OtherP01241130MO · Railroad Medicare
Medicaid1730490830MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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. Christopher Barclay Hamm 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 ID5294969267
PECOS Enrollment IDI20131004000461
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 13

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.
832 services452 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
363 services363 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
104 services103 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
99 services98 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
26 services26 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
26 services26 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

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

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

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.

Referred Medical Equipment & Supplies CMS DME claims 12

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers24 claims85 services$6.43 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims16 services$1.13 avg. paid by Medicare
Ostomy pouch, urinary, with standard wear barrier attached, with built-in convexity (1 piece), each A4392
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$7.06 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers12 claims12 services$34.92 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers15 claims33 services$27.02 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
6 suppliers12 claims12 services$15.72 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. HAYLEY M WURZEL MD
Pediatrics
1000 DES PERES RD, STE 280
SAINT LOUIS, MO 63131
St. Louis County (314) 966-8500
ST. JOHN'S MERCY HEALTH SERVICES, LLC
Psychologist (Addiction (Substance Use Disorder))
1000 DES PERES RD, SUITE 200C
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4639
BONE & JOINT CHIROPRACTIC, LLC
Chiropractor
1000 DES PERES RD, STE 120
SAINT LOUIS, MO 63131
St. Louis County (314) 628-5200
DR. MISTY CRIDER DAY M.D.
Obstetrics & Gynecology
1000 DES PERES RD, SUITE 100
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4440
DR. LEO A WHITESIDE M.D.
Specialist
1000 DES PERES RD, SUITE 120
SAINT LOUIS, MO 63131
St. Louis County (314) 205-2223
KAREN A. MCMAHON
Social Worker (Clinical)
1000 DES PERES RD, SUITE 200-C
SAINT LOUIS, MO 63131
St. Louis County (314) 729-4600
DR. SANAA WAHEED M.D.
Internal Medicine
1000 DES PERES RD, SUITE 310
DES PERES, MO 63131
St. Louis County (314) 821-1313
DR. JENNIFER LEA ARTER MD
Pediatrics
1000 DES PERES RD, STE 280
SAINT LOUIS, MO 63131
St. Louis County (314) 966-8500

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 Christopher Hamm's NPI number?

The NPI number for Christopher Hamm is 1730490830. It was assigned to this individual provider in the NPPES registry on June 23, 2010.

Where is Christopher Hamm located?

Christopher Hamm practices at 1000 Des Peres Rd Ste 310, Des Peres, MO 63131. The listed phone number is (314) 821-1313.

What is Christopher Hamm's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christopher Hamm enrolled in Medicare?

Yes. Christopher Hamm 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 Christopher Hamm accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Christopher Hamm 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 Christopher Hamm affiliated with any hospitals?

According to CMS data, Christopher Hamm is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South, Missouri Baptist Medical Center and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Hamm was last updated on January 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.