Martin Chambers, MD
NPI 1235179540 · Internal Medicine Physician · Punxsutawney, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Chambers, MD is a Internal Medicine Physician provider in Punxsutawney, PA (NPI 1235179540).
Provider details
- NPI number
- 1235179540
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD042709L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
359 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 215 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $123 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 52 | $18 |
| Administration of Influenza Virus VaccineG0008 | 26 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $121 |
Typical Medicare-allowed amounts for these services range $18–$123 (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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 375 | 91 |
| Lisinopril | 362 | 87 |
| Metformin Hcl | 254 | 60 |
| Amlodipine Besylate | 225 | 57 |
| Hydrochlorothiazide | 223 | 57 |
| Levothyroxine Sodium | 216 | 55 |
| Atenolol | 195 | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2019-03-28
Frequently asked questions
- What is Martin Chambers's NPI number?
- Martin Chambers's National Provider Identifier (NPI) is 1235179540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Chambers's specialty?
- Martin Chambers is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Chambers located?
- Martin Chambers's practice location on file with NPPES is 200 E Mahoning St, Punxsutawney, PA 15767-2045.
- What is Martin Chambers's phone number?
- The practice phone number listed in the NPPES registry for Martin Chambers is (814) 938-0422.
- Does Martin Chambers accept Medicare?
- Martin Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Chambers's NPI active?
- Yes — Martin Chambers's NPI (1235179540) is active in the NPPES registry as of the last update on 2019-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.