Doctor profile · Federal record
Dr. Marlene Diaz, M.D.
Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Plano, TX
- NPI 1427166644
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3060 Communications Pkwy Ste 105
Plano, TX 750938464
(972) 535-8000
fax (972) 403-8003 - Mailing address
-
3060 Communications Pkwy, Ste 105
Plano, TX 750938464
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 1, 2022
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207VG0400X — NUCC code
- State license (1)
- Texas #J1971
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427166644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
174
Distinct HCPCS
5
Medicare allowed
$10,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 52 | 41 | $107 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 35 | 35 | $34 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 34 | 34 | $39 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 27 | $79 | |
36415 |
Insertion of needle into vein for collection of blood sample | 20 | 15 | $8 |
In context: peer comparison
Among 1 peers in Plano Gynecology Physician, average services per provider: 34. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$195
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 3 | $49.30 | |
| Millicent US INC | 3 | $47.25 | |
| Pfizer INC. | 2 | $44.53 | |
| Mayne Pharma Commercial LLC | 1 | $22.15 | |
| Organon LLC | 1 | $16.08 | |
| Acella Pharmaceuticals, LLC | 1 | $15.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
276
Patients
53
Total drug cost
$13,812
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 83 | 21 | $2,737 |
| Progesterone (Progesterone, Micronized) | Brand | 82 | 21 | $5,379 |
| Levothyroxine Sodium | Generic | 32 | 0 | $583 |
| Spironolactone | Generic | 27 | 11 | $669 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 15 | 0 | $2,429 |
| Trazodone Hcl | Generic | 14 | 0 | $34 |
| Vivelle-Dot (Estradiol) | Brand | 12 | 0 | $1,888 |
| Zolpidem Tartrate | Generic | 11 | 0 | $91 |
Hospital affiliations
Frequently asked questions
What is Dr. Marlene Diaz's medical specialty?
Dr. Marlene Diaz practices Gynecology Physician in Plano, TX.
Where does Dr. Marlene Diaz practice?
Dr. Marlene Diaz practices at 3060 Communications Pkwy Ste 105, Plano, TX 750938464. Office phone: 9725358000.
What is Dr. Marlene Diaz's NPI?
Dr. Marlene Diaz's National Provider Identifier (NPI) is 1427166644, issued by NPPES.
Does Dr. Marlene Diaz accept Medicare assignment?
Dr. Marlene Diaz does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Marlene Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); 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). Source: CMS Medicare Physician & Other Practitioners file.