Doctor profile · Federal record

Dr. Marek Skowron, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Modesto, CA

  • NPI 1770548646
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Coffee RD
Modesto, CA 953554201
(209) 524-1211
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 10, 2025
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A92738
Medicaid
CA #00A927380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770548646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,064
Distinct HCPCS
10
Medicare allowed
$232,106
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,070 546 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 444 444 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 143 128 $94
G0008 Administration of influenza virus vaccine 88 86 $32
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 77 75 $75
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 65 13 $2
96372 Injection of drug or substance under skin or into muscle 64 13 $15
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $116
G0009 Administration of pneumococcal vaccine 27 27 $32
90732 Pneumococcal vaccine, 23-valent 23 23 $131

In context: peer comparison

Among 33 peers in Modesto Internal Medicine Physician, average services per provider: 189. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $17.44

By nature of payment

Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,793
Patients
1,990
Total drug cost
$140,705
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 974 200 $33,452
Atorvastatin Calcium Generic 866 236 $12,305
Levothyroxine Sodium Generic 726 196 $15,307
Amlodipine Besylate Generic 714 184 $6,921
Losartan Potassium Generic 625 177 $11,005
Gabapentin Generic 505 107 $14,234
Alprazolam Generic 473 91 $2,636
Omeprazole Generic 457 126 $9,285
Tamsulosin Hcl Generic 450 111 $11,541
Lisinopril Generic 421 127 $4,840

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marek Skowron's medical specialty?
Dr. Marek Skowron practices Internal Medicine Physician in Modesto, CA.
Where does Dr. Marek Skowron practice?
Dr. Marek Skowron practices at 600 Coffee RD, Modesto, CA 953554201. Office phone: 2095241211.
What is Dr. Marek Skowron's NPI?
Dr. Marek Skowron's National Provider Identifier (NPI) is 1770548646, issued by NPPES.
Does Dr. Marek Skowron accept Medicare assignment?
Yes. Dr. Marek Skowron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marek Skowron commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.