Physician Profile
Mark P Diehl, DO
Unclaimed ProfileAbout Dr. Diehl
Based in Gettysburg, PA, Mark P Diehl, DO is listed in the NPI registry under rheumatology. Mark graduated from Philadelphia College of Osteopathic Medicine in 2002. Mark is also listed as specializing in internal medicine. According to Medicare claims data, Mark cared for 952 Medicare patients across 11,174 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (717) 339-2790
- Email not available
Practice Locations
40 V-TWIN DR SUITE 205
Gettysburg, PA 17325
Conditions Commonly Evaluated or Treated
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
11,174 services · 952 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
14 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
221 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
10,080 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
457 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
159 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
95 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
81 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
45 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatology specialists in Gettysburg 1
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Dr. Diehl specialize in?
Dr. Diehl is a rheumatology in Gettysburg, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where is Dr. Diehl located?
Dr. Diehl is listed at 40 V-TWIN DR SUITE 205, Gettysburg, PA 17325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Diehl's phone number?
The number on file is (717) 339-2790. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Diehl's NPI number?
Dr. Diehl's National Provider Identifier is 1982667754. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Diehl go to medical school?
Dr. Diehl attended Philadelphia College of Osteopathic Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Diehl been practicing?
Dr. Diehl has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Diehl do most often?
According to Medicare billing data, Dr. Diehl performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Diehl confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diehl. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.