Doctor profile · Federal record

Dr. Mychall Raymond Pagulayan-Sy, MD

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

  • NPI 1063075695
  • Accepts Medicare
  • MIPS 89.2 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2660 W Covell Blvd Ste Ab&C
Davis, CA 956165645
(530) 747-3000
Additional location
3600 Nw Samaritan Dr
Corvallis, OR 973303737
(541) 768-4906
Additional location
400 Hickory St Nw Ste 300
Albany, OR 973211700
(541) 812-5700
Mailing address
Po Box 1188
Corvallis, OR 973391188

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
October 29, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #A195817 · Oregon #PG193628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063075695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
290
Distinct HCPCS
7
Medicare allowed
$31,846
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 102 69 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 63 50 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 38 31 $63
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $128
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $173
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 13 13 $63

In context: peer comparison

Among 3 peers in Davis Internal Medicine Physician, average services per provider: 87. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,377
Patients
469
Total drug cost
$22,634
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 221 82 $3,868
Lisinopril Generic 159 47 $1,662
Losartan Potassium Generic 114 45 $1,965
Gabapentin Generic 109 30 $1,755
Amlodipine Besylate Generic 108 38 $1,219
Levothyroxine Sodium Generic 107 39 $1,648
Metformin Hcl Generic 85 30 $1,112
Omeprazole Generic 71 24 $963
Hydrochlorothiazide Generic 65 19 $304
Metoprolol Succinate Generic 63 20 $1,276

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mychall Raymond Pagulayan-Sy's medical specialty?
Dr. Mychall Raymond Pagulayan-Sy practices Internal Medicine Physician in Davis, CA.
Where does Dr. Mychall Raymond Pagulayan-Sy practice?
Dr. Mychall Raymond Pagulayan-Sy practices at 2660 W Covell Blvd Ste Ab&C, Davis, CA 956165645. Office phone: 5307473000.
What is Dr. Mychall Raymond Pagulayan-Sy's NPI?
Dr. Mychall Raymond Pagulayan-Sy's National Provider Identifier (NPI) is 1063075695, issued by NPPES.
Does Dr. Mychall Raymond Pagulayan-Sy accept Medicare assignment?
Yes. Dr. Mychall Raymond Pagulayan-Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mychall Raymond Pagulayan-Sy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.