Doctor profile · Federal record

Dr. Mary Holthaus, PA

Medical Physician Assistant (CMS: Physician Assistant) · Student in an Organized Health Care Education/Training Program · Annapolis, MD

  • NPI 1285296913
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
122 Defense Hwy Ste 210
Annapolis, MD 214017071
(410) 266-9694
Additional location
130 Love Point RD Ste 107
Stevensville, MD 216662132

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
January 19, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Maryland #C07349

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285296913. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16,465
Distinct HCPCS
10
Medicare allowed
$180,545
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 15,600 34 $6
99215 Established patient office or other outpatient visit, 40-54 minutes 251 176 $158
96160 Administration and interpretation of patient-focused health risk assessment 154 131 $2
96136 Administration of psychological or neuropsychological test, first 30 minutes 123 110 $38
99214 Established patient office or other outpatient visit, 30-39 minutes 109 84 $113
64615 Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 75 32 $139
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 60 53 $28
99205 New patient office or other outpatient visit, 60-74 minutes 51 51 $195
99213 Established patient office or other outpatient visit, 20-29 minutes 31 27 $80
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $147

In context: peer comparison

Among 8 peers in Annapolis Medical Physician Assistant, average services per provider: 469. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$192
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $142.83
Mitsubishi Tanabe Pharma America, INC. 1 $26.61
Neurelis, INC. 1 $22.70

By nature of payment

Food and Beverage
$192

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
673
Patients
141
Total drug cost
$142,878
Drug Type Claims Patients Total cost
Memantine Hcl Generic 149 44 $7,311
Donepezil Hcl Generic 139 49 $2,388
Gabapentin Generic 93 23 $1,202
Ubrelvy (Ubrogepant) Brand 54 12 $68,992
Sertraline Hcl Generic 44 13 $506
Emgality Pen (Galcanezumab-Gnlm) Brand 37 0 $27,958
Sumatriptan Succinate Generic 27 0 $377
Rivastigmine Generic 25 0 $11,115
Rizatriptan (Rizatriptan Benzoate) Brand 18 0 $372
Aimovig Autoinjector (Erenumab-Aooe) Brand 17 0 $20,155

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Holthaus's medical specialty?
Dr. Mary Holthaus practices Medical Physician Assistant in Annapolis, MD.
Where does Dr. Mary Holthaus practice?
Dr. Mary Holthaus practices at 122 Defense Hwy Ste 210, Annapolis, MD 214017071. Office phone: 4102669694.
What is Dr. Mary Holthaus's NPI?
Dr. Mary Holthaus's National Provider Identifier (NPI) is 1285296913, issued by NPPES.
Does Dr. Mary Holthaus accept Medicare assignment?
Yes. Dr. Mary Holthaus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Holthaus commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Established patient office or other outpatient visit (HCPCS 99215); Administration and interpretation of patient-focused health risk assessment (HCPCS 96160). Source: CMS Medicare Physician & Other Practitioners file.