Doctor profile · Federal record

Dr. Ulka Vaishampayan, MD

Internal Medicine Physician (CMS: Medical Oncology) · Medical Oncology Physician · Ann Arbor, MI

  • NPI 1659318640
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 18, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301062981

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659318640. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
610
Distinct HCPCS
9
Medicare allowed
$73,313
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 191 84 $145
99214 Established patient office or other outpatient visit, 30-39 minutes 117 69 $99
99215 Established patient office or other outpatient visit, 40-54 minutes 84 38 $146
99214 Established patient office or other outpatient visit, 30-39 minutes 53 31 $98
99442 Telephone medical discussion with physician, 11-20 minutes 50 40 $67
99443 Telephone medical discussion with physician, 21-30 minutes 37 29 $98
99205 New patient office or other outpatient visit, 60-74 minutes 35 35 $185
99441 Telephone medical discussion with physician, 5-10 minutes 32 29 $35
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $185

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$103,779
Transactions
90
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 29 $44,596.38
Exelixis INC. 27 $22,855.94
Astellas Pharma US INC 5 $8,317.74
Gilead Sciences, INC. 9 $7,324.73
Bayer Healthcare Pharmaceuticals INC. 7 $5,652.38
Emd Serono Research & Development Institute, INC. 1 $3,800.00
Merck Sharp & Dohme LLC 4 $3,119.12
Sumitomo Pharma America, INC. 1 $3,100.00
Novartis Pharmaceuticals Corporation 1 $2,400.00
AstraZeneca Pharmaceuticals Lp 1 $1,370.00
Janssen Scientific Affairs, LLC 1 $817.50
Aveo Pharmaceuticals, INC. 2 $176.90
Telix Pharmaceuticals 1 $148.58
Pfizer INC. 1 $99.99

By nature of payment

Consulting Fee
$43,431
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$29,865
Compensation for Serving As Faculty or As A Speaker for A Medical Education Program
$17,160
Travel and Lodging
$9,584
Honoraria
$1,980
Food and Beverage
$1,570
Education
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
581
Patients
109
Total drug cost
$2,831,804
Drug Type Claims Patients Total cost
Cabometyx (Cabozantinib S-Malate) Brand 117 23 $2,319,458
Prednisone Generic 102 44 $1,184
Abiraterone Acetate Generic 56 0 $26,924
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 24 $738
Ondansetron Hcl Generic 31 18 $546
Oxycodone Hcl Generic 31 0 $1,208
Bicalutamide Generic 28 0 $1,287
Hydrocortisone Generic 28 0 $1,018
Xtandi (Enzalutamide) Brand 27 0 $284,590
Levothyroxine Sodium Generic 25 0 $411

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ulka Vaishampayan's medical specialty?
Dr. Ulka Vaishampayan practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Ulka Vaishampayan practice?
Dr. Ulka Vaishampayan practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Ulka Vaishampayan's NPI?
Dr. Ulka Vaishampayan's National Provider Identifier (NPI) is 1659318640, issued by NPPES.
Does Dr. Ulka Vaishampayan accept Medicare assignment?
Yes. Dr. Ulka Vaishampayan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ulka Vaishampayan 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.