Doctor profile · Federal record

Dr. Ryan Maciak, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Erie, PA

  • NPI 1629496716
  • Accepts Medicare
  • MIPS 79.6 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 State St
Erie, PA 165500002
(814) 877-4922
fax (814) 877-3622

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
January 17, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #OS018596

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629496716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
855
Distinct HCPCS
4
Medicare allowed
$77,856
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 599 232 $76
99239 Hospital discharge day management, more than 30 minutes 103 101 $111
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 98 50 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 55 $170

In context: peer comparison

Among 36 peers in Erie Internal Medicine Physician, average services per provider: 111. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
73
Total drug cost
$7,922
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 19 18 $170
Prednisone Generic 19 18 $78
Amlodipine Besylate Generic 13 13 $73
Furosemide Generic 13 13 $47
Atorvastatin Calcium Generic 12 0 $104
Clopidogrel (Clopidogrel Bisulfate) Brand 12 0 $105
Carvedilol Generic 11 0 $72
Eliquis (Apixaban) Brand 11 11 $7,274

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Maciak's medical specialty?
Dr. Ryan Maciak practices Internal Medicine Physician in Erie, PA.
Where does Dr. Ryan Maciak practice?
Dr. Ryan Maciak practices at 201 State St, Erie, PA 165500002. Office phone: 8148774922.
What is Dr. Ryan Maciak's NPI?
Dr. Ryan Maciak's National Provider Identifier (NPI) is 1629496716, issued by NPPES.
Does Dr. Ryan Maciak accept Medicare assignment?
Yes. Dr. Ryan Maciak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Maciak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.