Doctor profile · Federal record
Dr. Hannah Mainstain, FNP-BC
Family Nurse Practitioner (CMS: Nurse Practitioner) · Baltimore, MD
- NPI 1942857917
- Accepts Medicare
- MIPS 81.3 / 100 · 2023
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2702 Geartner RD
Baltimore, MD 212091410
(443) 318-8713
fax (443) 870-4919
Credentials & registration
- NPI registered
- August 2019 — 7 yrs on file
- Profile last updated
- January 14, 2026
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Maryland #R209667
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942857917. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
575
Distinct HCPCS
7
Medicare allowed
$46,065
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 175 | 141 | $72 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 168 | 132 | $101 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 104 | 104 | $115 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 49 | 49 | $13 | |
G0447 |
Face-to-face behavioral counseling for obesity, 15 minutes | 39 | 39 | $22 | |
G0446 |
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | 23 | 23 | $23 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $150 |
In context: peer comparison
Among 132 peers in Baltimore Family Nurse Practitioner, average services per provider: 95. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$1,569
Transactions
92
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 8 | $282.28 | |
| Novo Nordisk INC | 27 | $246.40 | |
| Abbvie INC. | 16 | $231.65 | |
| Lilly USA, LLC | 17 | $167.94 | |
| GlaxoSmithKline, LLC. | 4 | $87.76 | |
| Corcept Therapeutics | 3 | $80.50 | |
| Astellas Pharma US INC | 1 | $79.99 | |
| Amgen INC. | 4 | $78.91 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $53.54 | |
| Pfizer INC. | 2 | $43.64 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $41.03 | |
| Merck Sharp & Dohme LLC | 2 | $36.50 | |
| Melinta Therapeutics, LLC | 1 | $32.46 | |
| Abbott Laboratories | 2 | $27.75 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $24.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,182
Patients
441
Total drug cost
$84,025
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 194 | 79 | $2,266 |
| Atorvastatin Calcium | Generic | 170 | 66 | $3,141 |
| Losartan Potassium | Generic | 97 | 36 | $1,527 |
| Olmesartan Medoxomil | Generic | 96 | 41 | $3,549 |
| Metoprolol Succinate | Generic | 75 | 27 | $2,332 |
| Levothyroxine Sodium | Generic | 66 | 25 | $1,141 |
| Pravastatin Sodium | Generic | 66 | 27 | $1,261 |
| Hydrochlorothiazide | Generic | 63 | 26 | $410 |
| Pantoprazole Sodium | Generic | 62 | 19 | $517 |
| Lisinopril | Generic | 58 | 22 | $542 |
Frequently asked questions
What is Dr. Hannah Mainstain's medical specialty?
Dr. Hannah Mainstain practices Family Nurse Practitioner in Baltimore, MD.
Where does Dr. Hannah Mainstain practice?
Dr. Hannah Mainstain practices at 2702 Geartner RD, Baltimore, MD 212091410. Office phone: 4433188713.
What is Dr. Hannah Mainstain's NPI?
Dr. Hannah Mainstain's National Provider Identifier (NPI) is 1942857917, issued by NPPES.
Does Dr. Hannah Mainstain accept Medicare assignment?
Yes. Dr. Hannah Mainstain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah Mainstain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.