Doctor profile · Federal record

Dr. Maria Vallejo-Nieto, M.D.

Family Medicine Physician (CMS: Family Practice) · Sherman, TX

  • NPI 1962637967
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2907 Overland Trl Ste 200
Sherman, TX 750924498
(903) 416-2650
fax (903) 416-2651
Additional location
557 W Fm 120
Pottsboro, TX 750769039
(903) 786-3911
fax (903) 786-8630
Mailing address
5012 S US Hwy 75, Suite 300, Attn Billing
Denison, TX 750204589

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
August 21, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #P1703
Medicaid
TX #2998783-05

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962637967. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,812
Distinct HCPCS
10
Medicare allowed
$94,523
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 498 175 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 423 159 $87
80053 Blood test, comprehensive group of blood chemicals 326 171 $10
80061 Blood test, lipids (cholesterol and triglycerides) 267 166 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 218 155 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 144 144 $125
81002 Urinalysis, manual test 139 133 $3
84443 Blood test, thyroid stimulating hormone (tsh) 133 83 $16
83036 Hemoglobin a1c level 130 78 $10
84439 Thyroxine (thyroid chemical), free 76 51 $9

In context: peer comparison

Among 8 peers in this city , average services per provider: 134. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,393
Transactions
63
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 9 $251.32
ABBVIE INC. 16 $197.76
Abbott Laboratories 3 $143.63
Novo Nordisk Inc 8 $139.23
Lilly USA, LLC 5 $80.87
GlaxoSmithKline, LLC. 4 $80.23
Phathom Pharmaceuticals, Inc. 3 $56.76
Optinose US, Inc. 2 $47.72
Dexcom, Inc. 2 $45.79
Bayer Healthcare Pharmaceuticals Inc. 2 $45.44
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $40.42
PFIZER INC. 2 $33.92
Antares Pharma, Inc. 2 $31.80
Axsome Therapeutics, Inc. 2 $30.12
RGH Enterprises LLC 1 $24.54

By nature of payment

Food and Beverage
$1,393

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,359
Patients
705
Total drug cost
$133,206
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 311 97 $3,584
Amlodipine Besylate Generic 265 81 $2,154
Levothyroxine Sodium Generic 258 67 $3,187
Lisinopril Generic 220 70 $1,685
Metformin Hcl Generic 213 63 $2,809
Losartan Potassium Generic 205 58 $3,543
Omeprazole Generic 146 34 $1,574
Rosuvastatin Calcium Generic 144 47 $2,344
Hydrochlorothiazide Generic 112 36 $873
Simvastatin Generic 105 27 $1,519

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Vallejo-Nieto's medical specialty?
Dr. Maria Vallejo-Nieto practices Family Medicine Physician in Sherman, TX.
Where does Dr. Maria Vallejo-Nieto practice?
Dr. Maria Vallejo-Nieto practices at 2907 Overland Trl Ste 200, Sherman, TX 750924498. Office phone: 9034162650.
What is Dr. Maria Vallejo-Nieto's NPI?
Dr. Maria Vallejo-Nieto's National Provider Identifier (NPI) is 1962637967, issued by NPPES.
Does Dr. Maria Vallejo-Nieto accept Medicare assignment?
Yes. Dr. Maria Vallejo-Nieto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Vallejo-Nieto commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.