Tsz Man Tong, DO
NPI 1679192934 · Family Medicine Physician · Apple Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tsz Man Tong, DO is a Family Medicine Physician provider in Apple Valley, CA (NPI 1679192934).
Provider details
- NPI number
- 1679192934
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A21538 (CA)
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
6 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
120 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 | 42 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 26 | $134 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 20 | $93 |
Typical Medicare-allowed amounts for these services range $93–$134 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 82 | 37 |
| Levothyroxine Sodium | 69 | 26 |
| Lisinopril | 67 | 31 |
| Amlodipine Besylate | 65 | 22 |
| Metformin Hcl | 48 | 22 |
| Furosemide | 48 | 20 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-15
- Last updated
- 2023-10-11
- Certified
- 2023-08-21
Frequently asked questions
- What is Tsz Man Tong's NPI number?
- Tsz Man Tong's National Provider Identifier (NPI) is 1679192934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tsz Man Tong's specialty?
- Tsz Man Tong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tsz Man Tong located?
- Tsz Man Tong's practice location on file with NPPES is 19333 Bear Valley Rd Ste 205, Apple Valley, CA 92308-5150.
- What is Tsz Man Tong's phone number?
- The practice phone number listed in the NPPES registry for Tsz Man Tong is (760) 241-6666.
- Does Tsz Man Tong accept Medicare?
- Tsz Man Tong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tsz Man Tong's NPI active?
- Yes — Tsz Man Tong's NPI (1679192934) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.