Doctor profile · Federal record

Dr. Mark Chylinski, MD

Internal Medicine Physician · Internal Medicine Physician · California, MD

  • NPI 1710408539
  • MIPS 77.5 / 100 · 2023
  • 9 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22590 Shady CT
California, MD 206195009
(301) 373-7900
fax (301) 373-6900
Mailing address
Po Box 640
Hollywood, MD 206360640

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
May 16, 2022
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Maryland #D0091250 · Maryland #D91250
Medicaid
MD #578017900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710408539. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,289
Distinct HCPCS
10
Medicare allowed
$99,479
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 357 194 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 296 185 $79
36415 Insertion of needle into vein for collection of blood sample 291 179 $8
83036 Hemoglobin a1c level 146 113 $9
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 144 104 $8
84439 Thyroxine (thyroid chemical), free 143 112 $9
80053 Blood test, comprehensive group of blood chemicals 139 106 $10
80061 Blood test, lipids (cholesterol and triglycerides) 136 105 $13
84443 Blood test, thyroid stimulating hormone (tsh) 120 98 $16
81001 Manual urinalysis test with examination using microscope, automated 90 79 $3

In context: peer comparison

Among 3 peers in California Internal Medicine Physician, average services per provider: 124. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$229
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Dynavax Technologies Corporation 3 $51.30
Amgen INC. 2 $43.92
Novo Nordisk INC 2 $43.63
Abbvie INC. 2 $41.15
Lilly USA, LLC 1 $16.66
Novartis Pharmaceuticals Corporation 1 $16.52
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $15.35

By nature of payment

Food and Beverage
$229

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
575
Patients
205
Total drug cost
$11,026
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 83 36 $1,854
Amlodipine Besylate Generic 57 26 $560
Losartan Potassium Generic 56 19 $990
Lisinopril Generic 51 23 $599
Levothyroxine Sodium Generic 44 17 $899
Rosuvastatin Calcium Generic 39 13 $1,236
Metformin Hcl Generic 36 15 $424
Pantoprazole Sodium Generic 34 15 $854
Metoprolol Succinate Generic 32 13 $954
Omeprazole Generic 30 12 $523

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Chylinski's medical specialty?
Dr. Mark Chylinski practices Internal Medicine Physician in California, MD.
Where does Dr. Mark Chylinski practice?
Dr. Mark Chylinski practices at 22590 Shady CT, California, MD 206195009. Office phone: 3013737900.
What is Dr. Mark Chylinski's NPI?
Dr. Mark Chylinski's National Provider Identifier (NPI) is 1710408539, issued by NPPES.
What procedures does Dr. Mark Chylinski 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); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.