Doctor profile · Federal record

Dr. Cassandra Tamayo, DO

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Grove City, OH

  • NPI 1326578089
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3667 Marlane Dr
Grove City, OH 431238895
(614) 277-9631
Additional location
1325 Community Memorial Dr
La Grange, IL 605252659
(708) 245-8900
fax (708) 245-5777
Mailing address
3021 Cranston Dr
Dublin, OH 430171713

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
July 27, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Ohio #34.014696 · Illinois #125071162

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326578089. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
328
Distinct HCPCS
7
Medicare allowed
$29,472
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 150 68 $122
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 49 49 $123
83036 Hemoglobin a1c level 33 19 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 30 23 $86
96127 Assessment of emotional or behavioral problems 23 17 $4
G0008 Administration of influenza virus vaccine 23 23 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 20 20 $76

In context: peer comparison

Among 18 peers in this city , average services per provider: 60. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$461
Transactions
24
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 5 $84.04
ABBVIE INC. 3 $65.13
Sumitomo Pharma America, Inc. 2 $37.85
AstraZeneca Pharmaceuticals LP 2 $33.49
Dexcom, Inc. 1 $33.28
Merck Sharp & Dohme LLC 2 $33.28
Ardelyx, Inc. 1 $30.43
PFIZER INC. 2 $29.66
Exact Sciences Corporation 1 $28.46
Takeda Pharmaceuticals U.S.A., Inc. 1 $19.67
GlaxoSmithKline, LLC. 1 $18.45
Otsuka America Pharmaceutical, Inc. 1 $16.61
Abbott Laboratories 1 $16.03
Lilly USA, LLC 1 $14.95

By nature of payment

Food and Beverage
$461

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,868
Patients
612
Total drug cost
$31,313
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 265 97 $3,956
Lisinopril Generic 185 58 $1,323
Omeprazole Generic 159 51 $2,635
Gabapentin Generic 137 48 $4,049
Metformin Hcl Generic 130 40 $1,025
Amlodipine Besylate Generic 127 44 $933
Losartan Potassium Generic 119 37 $1,342
Rosuvastatin Calcium Generic 105 35 $6,640
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 103 28 $2,436
Furosemide Generic 103 37 $592

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Tamayo's medical specialty?
Dr. Cassandra Tamayo practices Family Medicine Physician in Grove City, OH.
Where does Dr. Cassandra Tamayo practice?
Dr. Cassandra Tamayo practices at 3667 Marlane Dr, Grove City, OH 431238895. Office phone: 6142779631.
What is Dr. Cassandra Tamayo's NPI?
Dr. Cassandra Tamayo's National Provider Identifier (NPI) is 1326578089, issued by NPPES.
Does Dr. Cassandra Tamayo accept Medicare assignment?
Yes. Dr. Cassandra Tamayo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Tamayo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.