Doctor profile · Federal record

Dr. Michael Massa, M.D.

Psychiatry Physician (CMS: Psychiatry) · Indio, CA

  • NPI 1598825382
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
47825 Oasis St, Riverside County Dept. of Mental Health
Indio, CA 92201
(760) 863-8507
Mailing address
47825 Oasis St., Riverside County Dept. of Mental Health
Indio, CA 92201

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 25, 2011
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #C53548
Medicaid
IL #036110375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598825382. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
1
Medicare allowed
$4,276
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 12 $126

In context: peer comparison

Among 1 peers in Indio Psychiatry Physician, average services per provider: 34. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$128
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 2 $65.41
Alkermes, INC. 1 $25.07
Lundbeck LLC 1 $22.25
Teva Pharmaceuticals USA, INC. 1 $15.13

By nature of payment

Food and Beverage
$128

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Massa's medical specialty?
Dr. Michael Massa practices Psychiatry Physician in Indio, CA.
Where does Dr. Michael Massa practice?
Dr. Michael Massa practices at 47825 Oasis St, Indio, CA 92201. Office phone: 7608638507.
What is Dr. Michael Massa's NPI?
Dr. Michael Massa's National Provider Identifier (NPI) is 1598825382, issued by NPPES.
Does Dr. Michael Massa accept Medicare assignment?
Yes. Dr. Michael Massa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Massa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.