Doctor profile · Federal record

Dr. Alvaro Castillejo, D.O.

Family Medicine Physician (CMS: Family Practice) · Elkin, NC

  • NPI 1356311153
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
124 Samaritans Ridge RD
Elkin, NC 286212452
(336) 835-7700
fax (336) 527-1071

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
October 12, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
North Carolina #2002203150
Medicaid
NC #89134UV

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356311153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,137
Distinct HCPCS
10
Medicare allowed
$72,258
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 245 118 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 182 83 $86
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 169 119 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $124
83036 Hemoglobin a1c level 96 44 $10
82044 Urine microalbumin (protein) analysis 83 83 $6
82570 Creatinine level to test for kidney function or muscle injury 82 82 $5
87804 Detection test by immunoassay with direct visual observation for influenza virus 40 18 $16
81001 Manual urinalysis test with examination using microscope, automated 28 22 $3
99496 Transitional care management services for problem of high complexity 26 22 $248

In context: peer comparison

Among 5 peers in Elkin Family Medicine Physician, average services per provider: 82. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,854
Transactions
107
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 13 $320.68
Novo Nordisk INC 17 $275.46
Amgen INC. 18 $223.25
Lilly USA, LLC 12 $142.28
Corium, LLC 7 $130.45
Abbvie INC. 6 $104.49
Abbott Laboratories 4 $86.60
Sumitomo Pharma America, INC. 4 $84.18
Pfizer INC. 5 $79.97
Novartis Pharmaceuticals Corporation 4 $74.96
GlaxoSmithKline, LLC. 5 $74.72
Otsuka America Pharmaceutical, INC. 4 $61.31
Exact Sciences Corporation 4 $60.62
Bayer Healthcare Pharmaceuticals INC. 2 $31.34
Takeda Pharmaceuticals U.S.A., INC. 2 $28.90

By nature of payment

Food and Beverage
$1,854

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,826
Patients
766
Total drug cost
$31,837
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 528 138 $3,833
Atorvastatin Calcium Generic 298 77 $4,066
Losartan Potassium Generic 255 63 $3,084
Hydrochlorothiazide Generic 182 50 $508
Metformin Hcl Generic 175 43 $1,599
Omeprazole Generic 169 44 $2,312
Pantoprazole Sodium Generic 164 40 $2,971
Metoprolol Succinate Generic 161 40 $1,913
Levothyroxine Sodium Generic 160 38 $2,696
Simvastatin Generic 155 34 $1,877

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alvaro Castillejo's medical specialty?
Dr. Alvaro Castillejo practices Family Medicine Physician in Elkin, NC.
Where does Dr. Alvaro Castillejo practice?
Dr. Alvaro Castillejo practices at 124 Samaritans Ridge RD, Elkin, NC 286212452. Office phone: 3368357700.
What is Dr. Alvaro Castillejo's NPI?
Dr. Alvaro Castillejo's National Provider Identifier (NPI) is 1356311153, issued by NPPES.
Does Dr. Alvaro Castillejo accept Medicare assignment?
Yes. Dr. Alvaro Castillejo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alvaro Castillejo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.