Wing Tam, MD
NPI 1891899118 · Family Medicine Physician · Frederick, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wing Tam, MD is a Family Medicine Physician provider in Frederick, MD (NPI 1891899118).
Provider details
- NPI number
- 1891899118
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D47101 (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
1,571 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 650 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 271 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 156 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 134 | $119 |
| Administration of Influenza Virus VaccineG0008 | 88 | $32 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 287 | 88 |
| Amlodipine Besylate | 159 | 54 |
| Losartan Potassium | 144 | 48 |
| Levothyroxine Sodium | 143 | 42 |
| Lisinopril | 134 | 38 |
| Metformin Hcl | 107 | 34 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-08
- Last updated
- 2013-05-09
Frequently asked questions
- What is Wing Tam's NPI number?
- Wing Tam's National Provider Identifier (NPI) is 1891899118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wing Tam's specialty?
- Wing Tam is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wing Tam located?
- Wing Tam's practice location on file with NPPES is 195 Thomas Johnson Drive, Frederick, MD 21702.
- What is Wing Tam's phone number?
- The practice phone number listed in the NPPES registry for Wing Tam is (301) 696-1000.
- Does Wing Tam accept Medicare?
- Wing Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wing Tam's NPI active?
- Yes — Wing Tam's NPI (1891899118) is active in the NPPES registry as of the last update on 2013-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.