Joseph Barth, MD
NPI 1164571741 · Internal Medicine Physician · Prince Frederick, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Barth, MD is a Internal Medicine Physician provider in Prince Frederick, MD (NPI 1164571741).
Provider details
- NPI number
- 1164571741
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D52242 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
12,557 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,050 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 959 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 939 | $10 |
| Hemoglobin A1c Level83036 | 797 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 734 | $91 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 657 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 618 | 169 |
| Losartan Potassium | 439 | 128 |
| Tamsulosin Hcl | 251 | 61 |
| Hydrochlorothiazide | 250 | 67 |
| Gabapentin | 250 | 80 |
| Lisinopril | 245 | 66 |
| Pantoprazole Sodium | 230 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-10
- Last updated
- 2007-07-09
Frequently asked questions
- What is Joseph Barth's NPI number?
- Joseph Barth's National Provider Identifier (NPI) is 1164571741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Barth's specialty?
- Joseph Barth is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Barth located?
- Joseph Barth's practice location on file with NPPES is 110 Hospital Rd Ste 310, Prince Frederick, MD 20678-4041.
- What is Joseph Barth's phone number?
- The practice phone number listed in the NPPES registry for Joseph Barth is (410) 535-2005.
- Does Joseph Barth accept Medicare?
- Joseph Barth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Barth's NPI active?
- Yes — Joseph Barth's NPI (1164571741) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.