Doctor profile · Federal record

Dr. Alejandra Perez-Tamayo

Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Colon & Rectal Surgery Physician · Chicago, IL

  • NPI 1821416165
  • Accepts Medicare
  • MIPS 77.1 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1801 W. Taylor Street, Mc741
Chicago, IL 60612
(312) 996-2061
fax (312) 996-1214
Mailing address
840 S Wood St Ste 518
Chicago, IL 606124325

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
April 14, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036.149537

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821416165. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
4
Medicare allowed
$5,563
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 40 16 $80
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $70
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $89
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $36

In context: peer comparison

Among 54 peers in Chicago Surgery Physician, average services per provider: 84. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$171
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Axonics, INC. 1 $157.45
Aroa Biosurgery Incorporated 1 $13.28

By nature of payment

Food and Beverage
$171

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
11
Total drug cost
$191
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 12 11 $191

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alejandra Perez-Tamayo's medical specialty?
Dr. Alejandra Perez-Tamayo practices Surgery Physician in Chicago, IL.
Where does Dr. Alejandra Perez-Tamayo practice?
Dr. Alejandra Perez-Tamayo practices at 1801 W. Taylor Street, Chicago, IL 60612. Office phone: 3129962061.
What is Dr. Alejandra Perez-Tamayo's NPI?
Dr. Alejandra Perez-Tamayo's National Provider Identifier (NPI) is 1821416165, issued by NPPES.
Does Dr. Alejandra Perez-Tamayo accept Medicare assignment?
Yes. Dr. Alejandra Perez-Tamayo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alejandra Perez-Tamayo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.