DR. LOREN NATHAN BACH M.D.
NPI 1205279650
Surgery in Saint Louis, MO

Q: What is Loren Bach's NPI number?

The NPI number for Loren Bach is 1205279650. It was assigned to this individual provider in the NPPES registry on April 15, 2013.

Q: What is Loren Bach's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Loren Bach was last updated on May 30, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 15, 2013PECOS EnrolledAccepts Medicare Assignment

621 S NEW BALLAS RD STE 560A, SAINT LOUIS, MO 63141(314) 251-6440(314) 251-4456 Get Directions Write a Review

NPPES record last updated: May 30, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 30, 2023, Aug 28, 2019 (2 updates tracked since 2019).

On this page

About Dr. Loren Nathan Bach M.d. NPPES

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

DR. LOREN NATHAN BACH M.D. (NPI 1205279650) is an individual surgery provider in Saint Louis, Missouri, licensed in Missouri (2019029089) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of University Of Minnesota Medical School (2013).

NPPES Registry Identity

NPI1205279650

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. LOREN NATHAN BACHCredential: M.D.

Location Address621 S NEW BALLAS RD STE 560ASaint Louis, MO 63141

Mailing Address621 S New Ballas Rd Ste 560aSaint Louis, MO 63141-8261 · (314) 251-6440 · Fax (314) 251-4456

Phone(314) 251-6440

Fax(314) 251-4456

Sole ProprietorNo

Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2013

Enumeration DateApril 15, 2013

Last NPPES UpdateMay 30, 20232 updates tracked since enumeration

NPPES CertifiedMay 30, 2023

✔ NPI 1205279650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in MO · 2019029089✔ Licensed in MN · 59069

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedNeurological SurgeryTaxonomy 207T00000X · License 59069 (MN)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

621 S NEW BALLAS RD STE 560A, Saint Louis, MO 63141

Open in Google Maps ↗

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. Loren Nathan Bach 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 ID7618272865

PECOS Enrollment IDI20190906002664

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 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.

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.

86 services56 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

59 services59 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

53 services38 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

30 services30 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

28 services27 patients

Hospital Affiliations CMS Care Compare 2

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty

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.

PAIGE NICOLE PONTICELLO MSN, FNP-C

Nurse Practitioner (Family)