Doctor profile · Federal record

Dr. Mark Mosson, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · San Diego, CA

  • NPI 1174765549
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4060 Fourth Ave Ste 505
San Diego, CA 921032121
(619) 298-1318
fax (619) 298-0843

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
June 25, 2013
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A114134

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174765549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,865
Distinct HCPCS
10
Medicare allowed
$235,006
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 848 189 $66
99213 Established patient office or other outpatient visit, 20-29 minutes 415 282 $96
G0444 Annual depression screening, 5 to 15 minutes 370 370 $20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 368 368 $138
99214 Established patient office or other outpatient visit, 30-39 minutes 323 190 $137
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 89 17 $1
G0008 Administration of influenza virus vaccine 61 61 $33
69210 Removal of impacted ear wax 59 54 $50
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 55 53 $16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 49 32 $82

In context: peer comparison

Among 193 peers in this city , average services per provider: 141. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,071
Transactions
84
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 20 $442.78
AstraZeneca Pharmaceuticals LP 11 $190.20
Novartis Pharmaceuticals Corporation 8 $189.12
GlaxoSmithKline, LLC. 8 $155.81
Lilly USA, LLC 6 $154.45
Novo Nordisk Inc 9 $140.34
Gilead Sciences, Inc. 5 $118.51
Kyowa Kirin, Inc. 1 $91.98
Janssen Pharmaceuticals, Inc 3 $91.42
PFIZER INC. 3 $60.00
Philips North America LLC 2 $56.34
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $51.41
ViiV Healthcare Company 2 $49.72
Seqirus USA Inc 2 $47.09
Amgen Inc. 2 $39.38

By nature of payment

Food and Beverage
$2,071

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,861
Patients
797
Total drug cost
$45,056
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 512 139 $6,717
Levothyroxine Sodium Generic 324 79 $6,201
Rosuvastatin Calcium Generic 293 80 $9,732
Amlodipine Besylate Generic 255 65 $2,159
Escitalopram Oxalate Generic 164 43 $2,579
Lisinopril Generic 162 48 $2,124
Losartan Potassium Generic 148 41 $1,982
Gabapentin Generic 143 44 $3,521
Alendronate Sodium Generic 141 35 $1,197
Alprazolam Generic 135 46 $790

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Mosson's medical specialty?
Dr. Mark Mosson practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Mark Mosson practice?
Dr. Mark Mosson practices at 4060 Fourth Ave Ste 505, San Diego, CA 921032121. Office phone: 6192981318.
What is Dr. Mark Mosson's NPI?
Dr. Mark Mosson's National Provider Identifier (NPI) is 1174765549, issued by NPPES.
Does Dr. Mark Mosson accept Medicare assignment?
Yes. Dr. Mark Mosson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Mosson commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.