Doctor profile · Federal record

Dr. Lydia Greffet, PA-C

Physician Assistant · Saint Louis, MO

  • NPI 1942722574
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4460 S Lindbergh Blvd
Saint Louis, MO 631271647
(314) 843-7557
fax (417) 269-2270
Mailing address
Po Box 776084
Chicago, IL 606776084

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
September 6, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942722574. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
3
Medicare allowed
$10,119
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 68 57 $107
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 16 16 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $72

In context: peer comparison

Among 118 peers in this city , average services per provider: 87. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$445
Transactions
29
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 18 $245.33
AstraZeneca Pharmaceuticals LP 3 $49.72
Phathom Pharmaceuticals, Inc. 2 $32.02
Lilly USA, LLC 1 $24.72
Novartis Pharmaceuticals Corporation 1 $20.46
Novo Nordisk Inc 1 $19.28
Axsome Therapeutics, Inc. 1 $18.90
Amgen Inc. 1 $17.77
GlaxoSmithKline, LLC. 1 $17.15

By nature of payment

Food and Beverage
$445

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
165
Patients
80
Total drug cost
$2,137
Drug Type Claims Patients Total cost
Lisinopril Generic 24 15 $191
Gabapentin Generic 20 15 $408
Amlodipine Besylate Generic 18 0 $87
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 12 $422
Doxycycline Hyclate Generic 17 13 $242
Hydrochlorothiazide Generic 16 0 $103
Atorvastatin Calcium Generic 15 12 $272
Methocarbamol Generic 15 13 $177
Pantoprazole Sodium Generic 12 0 $183
Prednisone Generic 11 0 $51

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lydia Greffet's medical specialty?
Dr. Lydia Greffet practices Physician Assistant in Saint Louis, MO.
Where does Dr. Lydia Greffet practice?
Dr. Lydia Greffet practices at 4460 S Lindbergh Blvd, Saint Louis, MO 631271647. Office phone: 3148437557.
What is Dr. Lydia Greffet's NPI?
Dr. Lydia Greffet's National Provider Identifier (NPI) is 1942722574, issued by NPPES.
Does Dr. Lydia Greffet accept Medicare assignment?
Yes. Dr. Lydia Greffet accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lydia Greffet commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.