Providers
MARY ELLEN MYERS, RN, APRN-C
NPI 1992764195, individual, Saint Louis, MO, Nurse Practitioner, Adult Health
5
Evidence tier
informational
score 30 of 100, rank 11645, $92K at stake
National provider registry
From the CMS NPPES Registry, refreshed daily.
| Name | MARY ELLEN MYERS, RN, APRN-C (also MARY AUBUCHON) |
| Type | Individual |
| Status | Active |
| NPI issued | March 17, 2006, last updated March 7, 2023 |
| Practice location | 3535 S JEFFERSON AVE, Saint Louis, MO 63118-3930, 314-776-7999 |
| Mailing address | 1694 VALERO LN, Fenton, MO 63026-3259 |
| Specialties | Nurse Practitioner, Adult Health (363LA2200X, primary, license RN077928 MO) |
Procedures billed
The specific codes behind the dollars. Medicaid figures come from T-MSIS (2018 to 2024) and are compared with every other provider billing the same code; Medicare figures come from the 2024 physician and supplier file and compare this provider's submitted charge with what Medicare allowed, against the usual ratio for that code.
Medicaid, largest codes
| code | what it is | paid | share | per patient-month | typical | rank among providers | |
|---|---|---|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | $104K | 83% | $214 | $67 (top 5% from $174) | 97th percentile | |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | $10K | 8% | $64 | $96 (top 5% from $249) | too few months to rank | |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | $10K | 8% | $47 | $63 (top 5% from $137) | 30th percentile | |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | $906 | 1% | $50 | $50 (top 5% from $194) | too few months to rank | |
| 99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | $628 | 1% | $25 | $60 (top 5% from $133) | too few months to rank | |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | $123 | 0% | $10 | $21 (top 5% from $84) | too few months to rank |
Medicare Part B 2024, largest codes
| code | what it is | services | beneficiaries | paid | submitted per service | allowed per service | charge to allowed | usual for this code |
|---|---|---|---|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 125 | 122 | $14K | $405 | $141 | 2.9x | 3.0x (90th percentile 5.6x) |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 21 | $2K | $275 | $106 | 2.6x | 2.7x (90th percentile 4.4x) |
A submitted charge many times the allowed amount is common and lawful; it matters when it is far above what other providers submit for the same code.
In this area
4 providers in St. Louis city County, MO carry an indicator in the public record, with $332K at stake between them. The most common is named in an enforcement record, on 4 of them. 1 is tier 1: documented action, then payment.
| tier | provider | at stake | why |
|---|---|---|---|
| 1 | ST. LOUIS GENERAL HOSPITAL ST Louis, MO, ranked 658 | $0 |
|
| 3 | TRINITY CARES LLC ST Louis, MO, ranked 1216 | $332K |
|
| 3 | DAVID PARKS ST Louis, MO, ranked 3226 | $0 |
|
| 3 | DAVID A PARKS, MD, PC Saint Louis, MO, ranked 4910 | $0 |
|
Recent enforcement in MO
All releasesDepartment of Justice and HHS-OIG releases for this state, newest first. Each opens in a new tab.
DOJPleaded guiltyAug 27, 2026
Kansas Chiropractor Pleads Guilty to Health Care Fraud
Laser submitted claims to Blue Cross and Blue Shield of Kansas City seeking payment for chiropractic services purportedly rendered on dates when patients had not visited Laser Chiropractic and received no treatment, including billing using the information of an individual who never received treatment.
DOJIndictedJul 30, 2026
Adult Day Care Provider Accused of $1.47 Million Missouri Medicaid Fraud
King submitted $1.47 million in false claims to Missouri Medicaid through Agape Love Adult Day Care LLC for services never provided, claiming 10 hours of care per day when only half that was provided and billing for patients who were absent or hospitalized.
DOJSentencedJul 21, 2026
Home Health Care Operator Sentenced for Defrauding Missouri Medicaid
Childress submitted fraudulent enrollment documents concealing her ownership of a home health care company and then billed Missouri Medicaid for home health services that were never provided.
DOJComplaint filedJun 23, 2026
Federal Health Care Fraud Takedown Targets 455 Defendants and $6.5 Billion in False Claims
Four defendants were charged by complaint in the Western District of Missouri with forgery and using fraudulent nursing credentials or with false statements to receive health care payments and stealing by deceit for Medicaid claims for personal care services that were not provided.
DOJIndictedJun 3, 2026
U.S. Attorney’s Office Seeks Potential Victims in Case Against Columbia, Missouri Doctor
A federal grand jury charged Morris with issuing controlled substance prescriptions outside the usual course of professional practice and with defrauding Medicare and Missouri Medicaid by billing for services falsely representing him as the rendering provider when services were rendered by assistant physicians and by submitting claims for prescriptions not eligible for reimbursement.
Referral packet
The packet is a draft for a reviewer. It reads every public record behind this case, states what the records show with a citation for each finding, names the regulation each finding relates to, and lists the ordinary explanations to rule out first. It never asserts intent.