Albert Hahm, M.D.
NPI 1821208505 · Gastroenterology Physician · West Chester, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Albert Hahm, M.D. is a Gastroenterology Physician provider in West Chester, PA (NPI 1821208505).
Provider details
- NPI number
- 1821208505
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD436909 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,129 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 313 | $255 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 151 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $131 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 82 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 335 | 102 |
| Pantoprazole Sodium | 110 | 29 |
| Famotidine | 56 | 19 |
| Linaclotidebrand: Linzess | 33 | — |
| Lipase/Protease/Amylasebrand: Creon | 29 | — |
| Mesalamine | 22 | — |
| Lactulose | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$630 across 40 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
- 2007-05-23
- Last updated
- 2013-05-16
Frequently asked questions
- What is Albert Hahm's NPI number?
- Albert Hahm's National Provider Identifier (NPI) is 1821208505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Albert Hahm's specialty?
- Albert Hahm is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Albert Hahm located?
- Albert Hahm's practice location on file with NPPES is 915 Old Fern Hill Road, West Chester, PA 19380.
- What is Albert Hahm's phone number?
- The practice phone number listed in the NPPES registry for Albert Hahm is (610) 431-3122.
- Does Albert Hahm accept Medicare?
- Albert Hahm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Albert Hahm's NPI active?
- Yes — Albert Hahm's NPI (1821208505) is active in the NPPES registry as of the last update on 2013-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.