Doctor profile · Federal record

Dr. Louis Dieffenbach, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Spring Hill, FL

  • NPI 1699784587
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13215 Spring Hill Dr
Spring Hill, FL 346095054
(352) 683-0232
fax (352) 683-0247

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 1, 2013
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Florida #ME55252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699784587. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
5
Medicare allowed
$29,375
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 227 227 $39
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 114 114 $41
99214 Established patient office or other outpatient visit, 30-39 minutes 111 72 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 22 16 $88
81002 Urinalysis, manual test 12 12 $3

In context: peer comparison

Among 2 peers in this city , average services per provider: 70. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 1 $99.00

By nature of payment

Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
539
Patients
149
Total drug cost
$59,447
Drug Type Claims Patients Total cost
Estradiol Generic 194 65 $11,899
Alprazolam Generic 81 20 $564
Premarin (Estrogens, Conjugated) Brand 72 30 $38,043
Progesterone (Progesterone, Micronized) Brand 23 0 $909
Zolpidem Tartrate Generic 22 0 $129
Meloxicam Generic 17 0 $88
Escitalopram Oxalate Generic 16 0 $103
Tramadol Hcl Generic 16 0 $50
Fluconazole Generic 15 11 $129
Terconazole Generic 15 12 $392

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Dieffenbach's medical specialty?
Dr. Louis Dieffenbach practices Obstetrics & Gynecology Physician in Spring Hill, FL.
Where does Dr. Louis Dieffenbach practice?
Dr. Louis Dieffenbach practices at 13215 Spring Hill Dr, Spring Hill, FL 346095054. Office phone: 3526830232.
What is Dr. Louis Dieffenbach's NPI?
Dr. Louis Dieffenbach's National Provider Identifier (NPI) is 1699784587, issued by NPPES.
Does Dr. Louis Dieffenbach accept Medicare assignment?
Yes. Dr. Louis Dieffenbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Dieffenbach commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.