Johnnie Mao, M.D.
NPI 1710410071 · Internal Medicine Physician · Bethlehem, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnnie Mao, M.D. is a Internal Medicine Physician provider in Bethlehem, PA (NPI 1710410071).
Provider details
- NPI number
- 1710410071
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD470972 (PA)
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
9 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
940 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 533 | $78 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 194 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 159 | $171 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 20 | $53 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 30 | 30 |
| Pantoprazole Sodium | 25 | 19 |
| Prednisone | 21 | 21 |
| Torsemide | 21 | 20 |
| Amlodipine Besylate | 16 | 16 |
| Oxycodone Hcl | 15 | 14 |
| Metoprolol Succinate | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-04
- Last updated
- 2022-05-02
- Certified
- 2022-05-02
Frequently asked questions
- What is Johnnie Mao's NPI number?
- Johnnie Mao's National Provider Identifier (NPI) is 1710410071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnnie Mao's specialty?
- Johnnie Mao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johnnie Mao located?
- Johnnie Mao's practice location on file with NPPES is 801 Ostrum St, Bethlehem, PA 18015-1000.
- What is Johnnie Mao's phone number?
- The practice phone number listed in the NPPES registry for Johnnie Mao is (484) 526-4658.
- Does Johnnie Mao accept Medicare?
- Johnnie Mao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnnie Mao's NPI active?
- Yes — Johnnie Mao's NPI (1710410071) is active in the NPPES registry as of the last update on 2022-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.