Susan Littman, MD
NPI 1437349321 · Internal Medicine Physician · Ambler, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Littman, MD is a Internal Medicine Physician provider in Ambler, PA (NPI 1437349321).
Provider details
- NPI number
- 1437349321
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD430496 (PA)
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
18 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
801 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 313 | $107 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 289 | $149 |
| Transitional Care Management Services for Problem of High Complexity99496 | 47 | $238 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $84 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 35 | $67 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 437 | 72 |
| Furosemide | 272 | 44 |
| Amlodipine Besylate | 244 | 38 |
| Potassium Chloride | 227 | 42 |
| Quetiapine Fumarate | 222 | 27 |
| Levothyroxine Sodium | 206 | 30 |
| Mirtazapine | 185 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 8 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
- 2007-07-27
- Last updated
- 2018-01-24
Frequently asked questions
- What is Susan Littman's NPI number?
- Susan Littman's National Provider Identifier (NPI) is 1437349321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Littman's specialty?
- Susan Littman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Littman located?
- Susan Littman's practice location on file with NPPES is 1316 Stoney River Dr, Ambler, PA 19002-1157.
- What is Susan Littman's phone number?
- The practice phone number listed in the NPPES registry for Susan Littman is (215) 628-3118.
- Does Susan Littman accept Medicare?
- Susan Littman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Littman's NPI active?
- Yes — Susan Littman's NPI (1437349321) is active in the NPPES registry as of the last update on 2018-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.