Geoffrey Ngam
NPI 1831453000 · Family Nurse Practitioner · Princess Anne, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Ngam is a Family Nurse Practitioner provider in Princess Anne, MD (NPI 1831453000).
Provider details
- NPI number
- 1831453000
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- R226053 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
186 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) |
|---|---|---|
| Detection Test By Immunoassay Technique for Influenza Virus87400 | 24 | $14 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 24 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $118 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 22 | $41 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 | $105 |
| Automated Urinalysis Test81003 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 38 | 29 |
| Azithromycin | 37 | 33 |
| Ibuprofen | 37 | 36 |
| Meloxicam | 30 | 28 |
| Doxycycline Hyclate | 29 | 25 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 28 | 26 |
| Naproxen | 27 | 23 |
| Fluconazole | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-02
- Last updated
- 2021-03-17
- Certified
- 2021-03-17
Frequently asked questions
- What is Geoffrey Ngam's NPI number?
- Geoffrey Ngam's National Provider Identifier (NPI) is 1831453000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Ngam's specialty?
- Geoffrey Ngam is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Geoffrey Ngam located?
- Geoffrey Ngam's practice location on file with NPPES is 12302 Somerset Ave # Ab, Princess Anne, MD 21853-3099.
- What is Geoffrey Ngam's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Ngam is (410) 651-0300.
- Does Geoffrey Ngam accept Medicare?
- Geoffrey Ngam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Ngam's NPI active?
- Yes — Geoffrey Ngam's NPI (1831453000) is active in the NPPES registry as of the last update on 2021-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.