Tham Doan, APRN, FNP-C
NPI 1861986853 · Psychiatric/Mental Health Nurse Practitioner · East Lansing, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tham Doan, APRN, FNP-C is a Psychiatric/Mental Health Nurse Practitioner provider in East Lansing, MI (NPI 1861986853).
Provider details
- NPI number
- 1861986853
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704283803 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
233 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 138 | $101 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 68 | $57 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 27 | $40 |
Typical Medicare-allowed amounts for these services range $40–$101 (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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 68 | 20 |
| Atorvastatin Calcium | 64 | 28 |
| Alprazolam | 58 | — |
| Hydroxyzine Pamoate | 51 | 19 |
| Lorazepam | 46 | — |
| Clonazepam | 46 | 11 |
| Aripiprazole | 33 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,716 across 87 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-21
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Tham Doan's NPI number?
- Tham Doan's National Provider Identifier (NPI) is 1861986853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tham Doan's specialty?
- Tham Doan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tham Doan located?
- Tham Doan's practice location on file with NPPES is 702 W Lake Lansing Rd, East Lansing, MI 48823-8526.
- What is Tham Doan's phone number?
- The practice phone number listed in the NPPES registry for Tham Doan is (517) 332-5342.
- Does Tham Doan accept Medicare?
- Tham Doan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tham Doan's NPI active?
- Yes — Tham Doan's NPI (1861986853) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.