Doctor profile · Federal record

Dr. Ma Clarissa del Rosario, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Nephrology Physician · Rochester, NY

  • NPI 1275723074
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 Kings Hwy S
Rochester, NY 146175504
(585) 922-3122
Additional location
6846 Buckley RD
North Syracuse, NY 132124275
(315) 410-6400
fax (315) 410-6410
Mailing address
1200 Driving Park Ave
Newark, NY 145131090

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
New York #245321
Medicaid
NY #02940870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275723074. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
457
Distinct HCPCS
4
Medicare allowed
$37,373
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 185 99 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 148 63 $48
99239 Hospital discharge day management, more than 30 minutes 86 79 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 36 $169

In context: peer comparison

Among 94 peers in this city , average services per provider: 90. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$32
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $16.41
Lexicon Pharmaceuticals, Inc. 1 $15.59

By nature of payment

Food and Beverage
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
101
Total drug cost
$8,665
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 22 21 $196
Prednisone Generic 21 19 $107
Cefdinir Generic 16 15 $200
Pantoprazole Sodium Generic 14 13 $176
Eliquis (Apixaban) Brand 13 11 $7,841
Atorvastatin Calcium Generic 11 11 $88
Furosemide Generic 11 11 $59

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ma Clarissa del Rosario's medical specialty?
Dr. Ma Clarissa del Rosario practices Hospitalist Physician in Rochester, NY.
Where does Dr. Ma Clarissa del Rosario practice?
Dr. Ma Clarissa del Rosario practices at 100 Kings Hwy S, Rochester, NY 146175504. Office phone: 5859223122.
What is Dr. Ma Clarissa del Rosario's NPI?
Dr. Ma Clarissa del Rosario's National Provider Identifier (NPI) is 1275723074, issued by NPPES.
Does Dr. Ma Clarissa del Rosario accept Medicare assignment?
Yes. Dr. Ma Clarissa del Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ma Clarissa del Rosario commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.