Doctor profile · Federal record

Dr. Johanna Vonhagn, PA-C

Physician Assistant · Hampstead, MD

  • NPI 1316433915
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2327 Hanover Pike
Hampstead, MD 210741150
(443) 507-6035
fax (443) 507-6953

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
April 8, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316433915. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,953
Distinct HCPCS
10
Medicare allowed
$109,153
HCPCS Description Services Patients Avg allowed
87400 Detection test by immunoassay technique for influenza virus 528 234 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 434 353 $114
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 274 241 $40
99213 Established patient office or other outpatient visit, 20-29 minutes 143 127 $81
81003 Automated urinalysis test 124 115 $2
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 116 109 $16
71046 X-ray of chest, 2 views 75 70 $29
99204 New patient office or other outpatient visit, 45-59 minutes 73 73 $149
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $101
99215 Established patient office or other outpatient visit, 40-54 minutes 31 31 $160

In context: peer comparison

Among 2 peers in Hampstead Physician Assistant, average services per provider: 91. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
486
Patients
456
Total drug cost
$4,944
Drug Type Claims Patients Total cost
Prednisone Generic 162 148 $335
Doxycycline Hyclate Generic 130 122 $1,822
Cefdinir Generic 45 43 $1,118
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 39 36 $462
Clindamycin Hcl Generic 29 28 $360
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 20 19 $123
Azithromycin Generic 14 14 $80
Amoxicillin Generic 13 13 $59
Tobramycin Generic 12 11 $111
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $355

Frequently asked questions

Auto-generated from federal data
What is Dr. Johanna Vonhagn's medical specialty?
Dr. Johanna Vonhagn practices Physician Assistant in Hampstead, MD.
Where does Dr. Johanna Vonhagn practice?
Dr. Johanna Vonhagn practices at 2327 Hanover Pike, Hampstead, MD 210741150. Office phone: 4435076035.
What is Dr. Johanna Vonhagn's NPI?
Dr. Johanna Vonhagn's National Provider Identifier (NPI) is 1316433915, issued by NPPES.
Does Dr. Johanna Vonhagn accept Medicare assignment?
Yes. Dr. Johanna Vonhagn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johanna Vonhagn commonly perform?
Top Medicare-reported procedures in 2023: Detection test by immunoassay technique for influenza virus (HCPCS 87400); Established patient office or other outpatient visit (HCPCS 99214); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811). Source: CMS Medicare Physician & Other Practitioners file.