MS. ANNA BAILEY BERKLEY MD
NPI 1811482250
Hospitalist in Saint Peters, MO

Q: What is Anna Bailey Berkley's NPI number?

The NPI number for Anna Bailey Berkley is 1811482250. It was assigned to this individual provider in the NPPES registry on June 27, 2018.

Q: What is Anna Bailey Berkley's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Active since June 27, 2018PECOS EnrolledAccepts Medicare Assignment

201 BJC SAINT PETERS DR STE 100, SAINT PETERS, MO 63376(636) 916-7233(636) 916-7234 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 4, 2026, Mar 2, 2026, May 21, 2021 and 1 more (4 updates tracked since 2018).

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About Ms. Anna Bailey Berkley Md NPPES

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

MS. ANNA BAILEY BERKLEY MD (NPI 1811482250) is an individual hospitalist provider in Saint Peters, Missouri, licensed in Missouri (2021011320) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811482250

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameMS. ANNA BAILEY BERKLEYCredential: MD

Location Address201 BJC SAINT PETERS DR STE 100Saint Peters, MO 63376-3386

Mailing AddressPo Box 959354Saint Louis, MO 63195-9354 · (636) 916-7233 · Fax (636) 916-7234

Phone(636) 916-7233

Fax(636) 916-7234

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateJune 27, 2018

Last NPPES UpdateMay 4, 20264 updates tracked since enumeration

NPPES CertifiedMay 4, 2026

✔ NPI 1811482250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in MO · 2021011320

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2021011320 (MO)

201 BJC SAINT PETERS DR STE 100, Saint Peters, MO 63376

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Secondary Practice Locations 2

Location 16435 Chippewa StSaint Louis, MO 63109-2104 · Phone (314) 366-3000 · Fax (314) 366-3001

Location 2615 S New Ballas RdSaint Louis, MO 63141-8221 · Phone (314) 251-5834

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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. Anna Bailey Berkley 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 ID4385993971

PECOS Enrollment IDI20210805003031

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 Reassignments

Medicare enrollment records show Anna Bailey Berkley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic East Communities

12 mi

Family Medicine

615 S NEW BALLAS RD, ADMINISTRATION BUILDING, 5TH FLOOR
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
744 clinicians in this Medicare group

NPI 1043574940 (314) 251-6000

Physician Groups Lc

12 mi

Multi-Specialty

670 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
611 clinicians in this Medicare group

NPI 1285664268 (314) 996-7644

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 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

58 services49 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.

57 services57 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.

52 services42 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.

26 services25 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.

17 services16 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 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

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260091

Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County

Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260180

Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County

Emergency services

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 63376 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

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

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

1 supplier12 claims2,400 services$1.68 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 9

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

ALEXANDER MARINOV MARKOV MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)