DR. JOHN WILLIAM LALLY MD, FACS
NPI 1407390339
Otolaryngology in Saint Louis, MO
About Dr. John William Lally Md, Facs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN WILLIAM LALLY MD, FACS (NPI 1407390339) is an individual otolaryngology provider in Saint Louis, Missouri, licensed in Missouri (2019007499) and active in the NPI registry since December 2016. He is enrolled in Medicare PECOS, is affiliated with Eastern New Mexico Medical Center, and is a graduate of Georgetown University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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
Dr. John William Lally Md, Facs 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.
Medicare Billing Reassignments
4Medicare enrollment records show John Lally reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63127
- Reassigned Medicare billing, Missouri enrollment
- 15 clinicians in this Medicare group
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- 192 clinicians in this Medicare group
Roswell, NM 88201
- Reassigned Medicare billing, New Mexico enrollment
- 69 clinicians in this Medicare group
El Paso, TX 79902
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eastern New Mexico Medical Center
Acute Care Hospitals · Roswell, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63127
SAINT LOUIS, MO 63127
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 John Lally's NPI number?
The NPI number for John Lally is 1407390339. It was assigned to this individual provider in the NPPES registry on December 12, 2016.
Where is John Lally located?
John Lally practices at 9701 Landmark Parkway Dr Ste 201, Saint Louis, MO 63127. The listed phone number is (314) 843-3828.
What is John Lally's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is John Lally enrolled in Medicare?
Yes. John Lally 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.
Which organizations bill Medicare for John Lally's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Lally reassigns Medicare benefits to 4 organizations: Gwent LLC (Saint Louis, MO), Mercy Hospital Perry (Perryville, MO), Roswell Clinic Corp (Roswell, NM) and Ben Westbrook Ent (El Paso, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Lally's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Lally accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health of TX, Blue Cross and Blue Shield of Texas, Medica and Oscar Insurance Company and 1 other insurer list John Lally 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 John Lally affiliated with any hospitals?
According to CMS data, John Lally is affiliated with Eastern New Mexico Medical Center.
When was this NPI record last updated?
The NPPES record for John Lally was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.
# Dr. John William Lally, MD, FACS · NPI 1407390339
Otolaryngology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since December 12, 2016.
## Identity
- **NPI:** 1407390339 (Entity type: Individual)
- **Enumerated:** December 12, 2016
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 2019007499 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 9701 LANDMARK PARKWAY DR STE 201, Saint Louis, MO 63127-1665
- **Phone:** (314) 843-3828 · **Fax:** (314) 926-9366
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Gwent LLC (NPI 1508494543, Saint Louis, MO); Mercy Hospital Perry (NPI 1215613880, Perryville, MO); Roswell Clinic Corp (NPI 1649267618, Roswell, NM); Ben Westbrook Ent (NPI 1770046336, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** October 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407390339) · Data from the CMS NPPES public registry.