Doctor profile · Federal record

Dr. Jeffrey Bortz, M.D.

Mohs-Micrographic Surgery Physician (CMS: Dermatology) · Dermatology Physician · Dermatopathology Physician · Procedural Dermatology Physician · Walnut Creek, CA

  • NPI 1710191382
  • Accepts Medicare
  • MIPS 98.3 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
355 Lennon Ln, Suite 355
Walnut Creek, CA 945982418
(925) 932-7704

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 18, 2013
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207ND0101X — NUCC code
State license (1)
California #A487440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710191382. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,198
Distinct HCPCS
10
Medicare allowed
$485,058
HCPCS Description Services Patients Avg allowed
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 278 219 $678
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 240 130 $526
17003 Destruction of precancer skin growth, 2-14 growths 120 26 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 59 54 $103
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 54 52 $301
99212 Established patient office or other outpatient visit, 10-19 minutes 43 39 $69
15260 Full thickness skin graft to nose, ears, eyelids, or lips, 20.0 sq cm or less 39 38 $1,220
11102 Biopsy of related skin growth, first growth 36 33 $99
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 35 33 $284
17000 Destruction of precancer skin growth, 1 growth 34 33 $63

In context: peer comparison

Among 3 peers in this city , average services per provider: 72. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 2 $58.71
Lilly USA, LLC 1 $31.14

By nature of payment

Food and Beverage
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
75
Total drug cost
$1,838
Drug Type Claims Patients Total cost
Mupirocin Generic 43 28 $498
Cephalexin Generic 38 36 $258
Gentamicin Sulfate Generic 15 11 $776
Doxycycline Hyclate Generic 12 0 $306

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Bortz's medical specialty?
Dr. Jeffrey Bortz practices Mohs-Micrographic Surgery Physician in Walnut Creek, CA.
Where does Dr. Jeffrey Bortz practice?
Dr. Jeffrey Bortz practices at 355 Lennon Ln, Walnut Creek, CA 945982418. Office phone: 9259327704.
What is Dr. Jeffrey Bortz's NPI?
Dr. Jeffrey Bortz's National Provider Identifier (NPI) is 1710191382, issued by NPPES.
Does Dr. Jeffrey Bortz accept Medicare assignment?
Yes. Dr. Jeffrey Bortz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Bortz commonly perform?
Top Medicare-reported procedures in 2023: Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (HCPCS 17312); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003). Source: CMS Medicare Physician & Other Practitioners file.