Tammy Mantzouris, MD
NPI 1669644001 · Family Medicine Physician · Midlothian, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Mantzouris, MD is a Family Medicine Physician provider in Midlothian, VA (NPI 1669644001).
Provider details
- NPI number
- 1669644001
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0101258982 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
185 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 | 185 | $91 |
Typical Medicare-allowed amounts for these services range $91–$91 (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 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 288 | 86 |
| Amlodipine Besylate | 232 | 66 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 181 | 36 |
| Rosuvastatin Calcium | 136 | 33 |
| Gabapentin | 124 | 26 |
| Pantoprazole Sodium | 118 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-26
- Last updated
- 2017-05-10
Frequently asked questions
- What is Tammy Mantzouris's NPI number?
- Tammy Mantzouris's National Provider Identifier (NPI) is 1669644001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Mantzouris's specialty?
- Tammy Mantzouris is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Mantzouris located?
- Tammy Mantzouris's practice location on file with NPPES is 1529 Huguenot Rd Ste a, Midlothian, VA 23113-2426.
- What is Tammy Mantzouris's phone number?
- The practice phone number listed in the NPPES registry for Tammy Mantzouris is (804) 378-7373.
- Does Tammy Mantzouris accept Medicare?
- Tammy Mantzouris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Mantzouris's NPI active?
- Yes — Tammy Mantzouris's NPI (1669644001) is active in the NPPES registry as of the last update on 2017-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.