Doctor profile · Federal record

Dr. Maryann Pagulayan-Sy, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Porterville, CA

  • NPI 1700961364
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
198 W Cherry Ave, Unit A
Porterville, CA 932573506
(559) 781-7980
fax (559) 788-0544

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 14, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A56170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700961364. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
815
Distinct HCPCS
1
Medicare allowed
$74,874
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 815 100 $92

In context: peer comparison

Among 5 peers in this city , average services per provider: 207. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$169
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $133.18
Mylan Specialty L.P. 1 $19.81
Lilly USA, LLC 1 $16.44

By nature of payment

Food and Beverage
$169

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,192
Patients
361
Total drug cost
$16,136
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 178 26 $4,696
Atorvastatin Calcium Generic 97 28 $919
Levothyroxine Sodium Generic 94 25 $1,138
Montelukast Sodium Generic 93 34 $1,253
Rosuvastatin Calcium Generic 90 26 $1,375
Alprazolam Generic 84 17 $338
Losartan Potassium Generic 79 26 $1,012
Metoprolol Tartrate Generic 68 18 $534
Ciprofloxacin Hcl Generic 67 41 $461
Gabapentin Generic 63 23 $572

Frequently asked questions

Auto-generated from federal data
What is Dr. Maryann Pagulayan-Sy's medical specialty?
Dr. Maryann Pagulayan-Sy practices Internal Medicine Physician in Porterville, CA.
Where does Dr. Maryann Pagulayan-Sy practice?
Dr. Maryann Pagulayan-Sy practices at 198 W Cherry Ave, Porterville, CA 932573506. Office phone: 5597817980.
What is Dr. Maryann Pagulayan-Sy's NPI?
Dr. Maryann Pagulayan-Sy's National Provider Identifier (NPI) is 1700961364, issued by NPPES.
Does Dr. Maryann Pagulayan-Sy accept Medicare assignment?
Yes. Dr. Maryann Pagulayan-Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maryann Pagulayan-Sy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.