Metformin Hcl
Brand names: Glumetza, Metformin Hcl Er, Metformin Er Gastric, Metformin Er Osmotic, Metformin Hcl
At a glance
- Medicare prescriptions, 2024
- 32,648,586
- Medicare drug cost
- $331.9M
- Average cost per prescription
- $10.17
- Clinicians who prescribed it
- 257,885
Where it is prescribed
List the prescribers in any state, county, city or ZIP code →
What it is used for
Metformin Hydrochloride Tablets USP are indicated as an adjunct to diet and exercise to improve glycemic control in adults and children with type 2 diabetes mellitus.
From the FDA-approved prescribing information (label dated December 2025). Full labels on DailyMed (opens in a new tab)
Who prescribes it
- Family Medicine 36.1%
- Internal Medicine 28.2%
- Nurse Practitioners 17.9%
- Physician Assistants 6.0%
- Endocrinology & Diabetes 4.8%
- General Practice 2.2%
- Geriatric Medicine 1.2%
- Cardiology 0.5%
- Hospitalist 0.4%
- Pharmacists 0.4%
- Nephrology (Kidney) 0.3%
- Psychiatric Nurse Practitioners 0.2%
All prescribers, by place, name or specialty →
Share of Medicare prescriptions written by each specialty. Select one to list its prescribers.
Trend, 2019–2024
Medicare prescriptions rose 10% from 2019 to 2024.
Biggest change by state since 2019
- North Dakota +26%
- Utah +24%
- Wisconsin +21%
- Nevada +20%
- Washington +20%
- Puerto Rico (smallest change) −14%
- Mississippi (smallest change) −3%
From CMS’s yearly state and national Part D summaries, which count every prescriber, including those CMS leaves out of its per-clinician data (fewer than 11 prescriptions). That is why these totals are higher than the count at the top of this page. Prescriptions include refills.
What it looks like
Pills from 4 makers on file. The same medicine can look different depending on who made it, so check the imprint (the letters and numbers on the pill) with your pharmacist if a refill looks different.
Pd-Rx Pharmaceuticals, Inc.
| Strength | Looks like | Imprint |
|---|---|---|
| 1000 mg | white round tablet, 19 mm, scored to split in 2 | G 12 |
Qpharma, Inc.
| Strength | Looks like | Imprint |
|---|---|---|
| 500 mg | white round tablet, 11 mm | G 10 |
| 1000 mg | white round tablet, 19 mm, scored to split in 2 | G 12 |
Remedyrepack Inc.
| Strength | Looks like | Imprint |
|---|---|---|
| 850 mg | white round tablet, 13 mm | G 11 |
Torrent Pharmaceuticals Limited
| Strength | Looks like | Imprint |
|---|---|---|
| 500 mg / 15 mg pioglitazone hydrochloride | white capsule, 14 mm | 1280 |
| 850 mg / 15 mg pioglitazone hydrochloride | white capsule, 18 mm | 1281 |
Source: DailyMed (U.S. National Library of Medicine), from each maker’s FDA drug listing. A few makers are shown, not every one. Never take a pill you can’t identify; ask a pharmacist.
Industry payments about this drug
No industry payments to clinicians named this drug in 2025.
Recalls and shortages
Not on the FDA drug shortage list.
No FDA-reported recalls since 2020.
Sources: CMS Medicare Part D Prescribers by Provider and Drug (2024; prescriptions include refills, and CMS hides counts under 11 per prescriber); U.S. Food and Drug Administration, openFDA (drug labels, NDC directory, enforcement reports, drug shortages); CMS Open Payments 2025; ClinicalTrials.gov. General information only, not medical advice; not yet reviewed by our medical reviewer.