Doctor profile · Federal record

Dr. James Telfer, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Scotts Valley, CA

  • NPI 1831142223
  • Accepts Medicare
  • 55 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4663 Scotts Valley Dr
Scotts Valley, CA 950664202
(831) 458-6330
Mailing address
2025 Soquel Ave.
Santa Cruz, CA 950621323

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 8, 2011
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
North Carolina #21445
Medicaid
NC #8982348

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831142223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,412
Distinct HCPCS
9
Medicare allowed
$175,368
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 558 293 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 324 235 $100
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 231 231 $143
99215 Established patient office or other outpatient visit, 40-54 minutes 90 57 $197
G0008 Administration of influenza virus vaccine 67 64 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 66 63 $75
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 45 28 $59
G0009 Administration of pneumococcal vaccine 18 18 $34
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use 13 13 $241

In context: peer comparison

Among 3 peers in Scotts Valley Internal Medicine Physician, average services per provider: 125. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,004
Patients
542
Total drug cost
$134,761
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 331 92 $5,102
Levothyroxine Sodium Generic 206 51 $3,520
Amlodipine Besylate Generic 170 49 $2,045
Metoprolol Succinate Generic 146 38 $2,965
Lisinopril Generic 141 35 $2,035
Escitalopram Oxalate Generic 139 40 $2,961
Gabapentin Generic 122 31 $2,357
Metformin Hcl Generic 106 32 $2,009
Losartan Potassium Generic 102 28 $1,534
Rosuvastatin Calcium Generic 102 27 $3,616

Frequently asked questions

Auto-generated from federal data
What is Dr. James Telfer's medical specialty?
Dr. James Telfer practices Internal Medicine Physician in Scotts Valley, CA.
Where does Dr. James Telfer practice?
Dr. James Telfer practices at 4663 Scotts Valley Dr, Scotts Valley, CA 950664202. Office phone: 8314586330.
What is Dr. James Telfer's NPI?
Dr. James Telfer's National Provider Identifier (NPI) is 1831142223, issued by NPPES.
Does Dr. James Telfer accept Medicare assignment?
Yes. Dr. James Telfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Telfer 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.