Doctor profile · Federal record

Dr. Susana Harbutt, M.D.

Endocrinology, Diabetes & Metabolism Physician · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Castro Valley, CA

  • NPI 1588007678
  • MIPS 86.9 / 100 · 2023
  • 13 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20101 Lake Chabot RD Fl 4
Castro Valley, CA 94546
(510) 204-1844
fax (510) 506-7729
Additional location
2351 Clay St Ste 380
San Francisco, CA 941151931
(415) 600-3954
Mailing address
2350 W El Camino Real Fl 2
Mountain View, CA 940406203

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Georgia #92819 · California #A136741

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588007678. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
3
Medicare allowed
$5,037
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 18 18 $129
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $168
82962 Blood glucose (sugar) test performed by hand-held instrument 12 12 $3

In context: peer comparison

Among 1 peers in this city , average services per provider: 15. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
166
Patients
14
Total drug cost
$47,412
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 35 14 $533
Methimazole Generic 22 0 $126
Atorvastatin Calcium Generic 20 0 $167
Metformin Hcl Er (Metformin Hcl) Brand 15 0 $383
Synthroid (Levothyroxine Sodium) Brand 14 0 $868
Trulicity (Dulaglutide) Brand 14 0 $27,775
Metformin Hcl Generic 12 0 $117
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 12 0 $1,334
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 11 0 $5,197
Ozempic (Semaglutide) Brand 11 0 $10,912

Frequently asked questions

Auto-generated from federal data
What is Dr. Susana Harbutt's medical specialty?
Dr. Susana Harbutt practices Endocrinology, Diabetes & Metabolism Physician in Castro Valley, CA.
Where does Dr. Susana Harbutt practice?
Dr. Susana Harbutt practices at 20101 Lake Chabot RD Fl 4, Castro Valley, CA 94546. Office phone: 5102041844.
What is Dr. Susana Harbutt's NPI?
Dr. Susana Harbutt's National Provider Identifier (NPI) is 1588007678, issued by NPPES.
What procedures does Dr. Susana Harbutt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.