Tammy Mcmillan
NPI 1932712148 · Family Nurse Practitioner · Mullins, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Mcmillan is a Family Nurse Practitioner provider in Mullins, SC (NPI 1932712148).
Provider details
- NPI number
- 1932712148
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 24552 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 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
360 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 199 | $148 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 57 | $102 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 48 | $114 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 38 | $44 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 18 | $61 |
Typical Medicare-allowed amounts for these services range $44–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 106 | 30 |
| Prednisone | 53 | 25 |
| Fentanyl | 47 | — |
| Dexamethasone | 38 | 14 |
| Alprazolam | 32 | 13 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 31 | 11 |
| Furosemide | 31 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-26
- Last updated
- 2026-02-09
- Certified
- 2026-02-09
Frequently asked questions
- What is Tammy Mcmillan's NPI number?
- Tammy Mcmillan's National Provider Identifier (NPI) is 1932712148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Mcmillan's specialty?
- Tammy Mcmillan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Mcmillan located?
- Tammy Mcmillan's practice location on file with NPPES is 4604 Ironwood Rd, Mullins, SC 29574-6885.
- What is Tammy Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Tammy Mcmillan is (843) 468-1299.
- Does Tammy Mcmillan accept Medicare?
- Tammy Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Mcmillan's NPI active?
- Yes — Tammy Mcmillan's NPI (1932712148) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.