Doctor profile · Federal record

Dr. Mariela Macias, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Chula Vista, CA

  • NPI 1629235072
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E Palomar St
Chula Vista, CA 919131800
(858) 393-6622

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
March 19, 2018
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A102365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629235072. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
582
Distinct HCPCS
7
Medicare allowed
$83,721
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 310 118 $189
99214 Established patient office or other outpatient visit, 30-39 minutes 95 61 $137
36591 Collection of blood sample from implanted device 54 17 $31
99443 Telephone medical discussion with physician, 21-30 minutes 45 31 $136
96372 Injection of drug or substance under skin or into muscle 38 16 $15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 24 14 $2
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $233

In context: peer comparison

Among 5 peers in Chula Vista Hematology & Oncology Physician, average services per provider: 4,916. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$187
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novocure INC. 1 $53.25
AstraZeneca Pharmaceuticals Lp 2 $43.00
Genentech USA, INC. 2 $41.29
Celgene Corporation 1 $32.44
Agios Pharmaceuticals, INC. 1 $16.53

By nature of payment

Food and Beverage
$170
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
632
Patients
209
Total drug cost
$1,840,653
Drug Type Claims Patients Total cost
Anastrozole Generic 136 45 $4,568
Tamoxifen Citrate Generic 56 19 $2,161
Prednisone Generic 54 23 $394
Jakafi (Ruxolitinib Phosphate) Brand 45 0 $819,302
Ondansetron Odt (Ondansetron) Brand 44 36 $1,068
Ibandronate Sodium Generic 41 12 $2,599
Hydroxyurea Generic 38 14 $1,188
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 0 $1,526
Prochlorperazine Maleate Generic 30 15 $988
Potassium Chloride Generic 28 15 $274

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariela Macias's medical specialty?
Dr. Mariela Macias practices Hematology & Oncology Physician in Chula Vista, CA.
Where does Dr. Mariela Macias practice?
Dr. Mariela Macias practices at 1400 E Palomar St, Chula Vista, CA 919131800. Office phone: 8583936622.
What is Dr. Mariela Macias's NPI?
Dr. Mariela Macias's National Provider Identifier (NPI) is 1629235072, issued by NPPES.
Does Dr. Mariela Macias accept Medicare assignment?
Yes. Dr. Mariela Macias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariela Macias commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Collection of blood sample from implanted device (HCPCS 36591). Source: CMS Medicare Physician & Other Practitioners file.