Doctor profile · Federal record

Dr. Anna de la Pena, M.D

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Grafton, WI

  • NPI 1659650471
  • Accepts Medicare
  • MIPS 74.7 / 100 · 2023
  • 15 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
975 Port Washington RD
Grafton, WI 530249201
(262) 329-1000
Additional location
2650 Ridge Ave
Evanston, IL 602011718
(847) 570-2700
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
May 8, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Maryland #62390-20 · Illinois #125059545
Medicaid
WI #100038124

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659650471. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
204
Distinct HCPCS
4
Medicare allowed
$18,608
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 72 40 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 71 39 $76
99239 Hospital discharge day management, more than 30 minutes 35 34 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 12 $47

In context: peer comparison

Among 3 peers in Grafton Hospitalist Physician, average services per provider: 116. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$311
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
W. L. Gore & Associates, INC. 2 $168.77
Calliditas Therapeutics US INC. 1 $117.76
Akebia Therapeutics INC 1 $24.61

By nature of payment

Food and Beverage
$287
Education
$25

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna de la Pena's medical specialty?
Dr. Anna de la Pena practices Hospitalist Physician in Grafton, WI.
Where does Dr. Anna de la Pena practice?
Dr. Anna de la Pena practices at 975 Port Washington RD, Grafton, WI 530249201. Office phone: 2623291000.
What is Dr. Anna de la Pena's NPI?
Dr. Anna de la Pena's National Provider Identifier (NPI) is 1659650471, issued by NPPES.
Does Dr. Anna de la Pena accept Medicare assignment?
Yes. Dr. Anna de la Pena accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna de la Pena commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.