Margaret Kaiser, M.D.
NPI 1396732129 · Internal Medicine Physician · Oakland, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Kaiser, M.D. is a Internal Medicine Physician provider in Oakland, MD (NPI 1396732129).
Provider details
- NPI number
- 1396732129
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 13770 (WV)
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 tenure25% of score
20 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
399 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) |
|---|---|---|
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 98 | $131 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 | 85 | $80 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 62 | $106 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 32 | $80 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 30 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 144 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 305 | 24 |
| Levothyroxine Sodium | 263 | 32 |
| Famotidine | 250 | 33 |
| Gabapentin | 240 | 25 |
| Atorvastatin Calcium | 239 | 31 |
| Lisinopril | 214 | 25 |
| Furosemide | 212 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$210 across 7 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
- 2005-10-06
- Last updated
- 2018-05-21
Frequently asked questions
- What is Margaret Kaiser's NPI number?
- Margaret Kaiser's National Provider Identifier (NPI) is 1396732129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Kaiser's specialty?
- Margaret Kaiser is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Kaiser located?
- Margaret Kaiser's practice location on file with NPPES is 251 N 4th St, Oakland, MD 21550.
- What is Margaret Kaiser's phone number?
- The practice phone number listed in the NPPES registry for Margaret Kaiser is (301) 533-4000.
- Does Margaret Kaiser accept Medicare?
- Margaret Kaiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Kaiser's NPI active?
- Yes — Margaret Kaiser's NPI (1396732129) is active in the NPPES registry as of the last update on 2018-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.