Doctor profile · Federal record

Dr. Christa Massak, CRNP

Nurse Practitioner · Adult Health Nurse Practitioner · Gerontology Nurse Practitioner · Primary Care Nurse Practitioner · Danville, PA

  • NPI 1801340807
  • Accepts Medicare
  • MIPS 82.5 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 N Academy Ave
Danville, PA 178222333
(570) 271-6328
fax (570) 271-6955

Credentials & registration

NPPES · NUCC
NPI registered
August 2016 — 10 yrs on file
Profile last updated
August 31, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Pennsylvania #SP016770 · New Jersey #26NJ00660100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801340807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
3
Medicare allowed
$18,830
HCPCS Description Services Patients Avg allowed
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 179 66 $25
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 62 62 $142
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 46 $98

In context: peer comparison

Among 32 peers in this city , average services per provider: 76. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$553
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
bioMerieux Inc 1 $143.00
GlaxoSmithKline, LLC. 1 $122.09
Boston Scientific Corporation 1 $113.11
Janssen Biotech, Inc. 1 $92.50
E.R. Squibb & Sons, L.L.C. 1 $81.89

By nature of payment

Food and Beverage
$553

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christa Massak's medical specialty?
Dr. Christa Massak practices Nurse Practitioner in Danville, PA.
Where does Dr. Christa Massak practice?
Dr. Christa Massak practices at 100 N Academy Ave, Danville, PA 178222333. Office phone: 5702716328.
What is Dr. Christa Massak's NPI?
Dr. Christa Massak's National Provider Identifier (NPI) is 1801340807, issued by NPPES.
Does Dr. Christa Massak accept Medicare assignment?
Yes. Dr. Christa Massak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christa Massak commonly perform?
Top Medicare-reported procedures in 2023: Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.