Doctor profile · Federal record

Dr. Mark Taylor, MD

Hospitalist Physician (CMS: Internal Medicine) · San Rafael, CA

  • NPI 1598849598
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
99 Montecillo RD
San Rafael, CA 949033308
(415) 444-2000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 22, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #G79457
Medicaid
CA #00G794570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598849598. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
1
Medicare allowed
$2,647
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 14 $88

In context: peer comparison

Among 1 peers in San Rafael Hospitalist Physician, average services per provider: 30. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
297
Patients
160
Total drug cost
$7,235
Drug Type Claims Patients Total cost
Spironolactone Generic 27 14 $265
Atorvastatin Calcium Generic 25 12 $604
Gabapentin Generic 25 14 $391
Doxycycline Monohydrate Generic 22 22 $186
Tamsulosin Hcl Generic 22 15 $315
Furosemide Generic 20 13 $221
Metoprolol Succinate Generic 20 11 $328
Torsemide Generic 20 12 $346
Cefadroxil Generic 18 17 $269
Cefpodoxime Proxetil Generic 18 17 $433

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Taylor's medical specialty?
Dr. Mark Taylor practices Hospitalist Physician in San Rafael, CA.
Where does Dr. Mark Taylor practice?
Dr. Mark Taylor practices at 99 Montecillo RD, San Rafael, CA 949033308. Office phone: 4154442000.
What is Dr. Mark Taylor's NPI?
Dr. Mark Taylor's National Provider Identifier (NPI) is 1598849598, issued by NPPES.
Does Dr. Mark Taylor accept Medicare assignment?
Yes. Dr. Mark Taylor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Taylor commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.