Doctor profile · Federal record
Dr. Mark Parkhurst, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Silver Spring, MD
- NPI 1629154539
- Accepts Medicare
- MIPS 78.7 / 100 · 2023
- 47 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3110 Gracefield RD
Silver Spring, MD 209041820
(301) 572-8340
fax (301) 572-8403 - Mailing address
-
5730 Executive Dr Ste 230
Catonsville, MD 212281762
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- February 26, 2026
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Maryland #D0024093
- Medicaid (2)
- MD #008203102 · MD #156221500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629154539. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,864
Distinct HCPCS
10
Medicare allowed
$317,526
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 697 | 350 | $79 | |
90480 |
Admn sarscov2 vacc 1 dose | 482 | 482 | $46 | |
91320 |
Sarscv2 vac 30mcg trs-suc im | 482 | 482 | $128 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 453 | 243 | $109 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 165 | 165 | $145 | |
90662 |
Influenza vaccine split virus, preservative free | 134 | 134 | $72 | |
G0008 |
Administration of influenza virus vaccine | 134 | 134 | $35 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 122 | 122 | $19 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 113 | 98 | $80 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 112 | 97 | $50 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 146. This provider delivers 26× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,878
Patients
471
Total drug cost
$133,559
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 242 | 61 | $3,576 |
| Amlodipine Besylate | Generic | 234 | 55 | $2,120 |
| Levothyroxine Sodium | Generic | 209 | 57 | $3,441 |
| Lisinopril | Generic | 130 | 31 | $1,414 |
| Losartan Potassium | Generic | 119 | 32 | $1,948 |
| Tamsulosin Hcl | Generic | 118 | 28 | $2,355 |
| Furosemide | Generic | 112 | 31 | $653 |
| Metoprolol Succinate | Generic | 106 | 29 | $2,100 |
| Escitalopram Oxalate | Generic | 105 | 22 | $1,186 |
| Eliquis (Apixaban) | Brand | 103 | 23 | $105,909 |
Frequently asked questions
What is Dr. Mark Parkhurst's medical specialty?
Dr. Mark Parkhurst practices Internal Medicine Physician in Silver Spring, MD.
Where does Dr. Mark Parkhurst practice?
Dr. Mark Parkhurst practices at 3110 Gracefield RD, Silver Spring, MD 209041820. Office phone: 3015728340.
What is Dr. Mark Parkhurst's NPI?
Dr. Mark Parkhurst's National Provider Identifier (NPI) is 1629154539, issued by NPPES.
Does Dr. Mark Parkhurst accept Medicare assignment?
Yes. Dr. Mark Parkhurst accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Parkhurst commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Admn sarscov2 vacc 1 dose (HCPCS 90480); Sarscv2 vac 30mcg trs-suc im (HCPCS 91320). Source: CMS Medicare Physician & Other Practitioners file.