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Edit this profileWhere to find Mark G. Parker, M.D.
- Portland location main office
22 Bramhall St, Portland, ME 04102 - Portland location
1600 Congress St Ste B, Portland, ME 04102
About Dr. Parker
Mark G. Parker, M.D. practices nephrology in Portland, ME. Mark is a 1989 graduate of University of Connecticut School of Medicine. According to Medicare claims data, Mark cared for 41 Medicare patients across 43 services. The services billed most often include complete ultrasound scan behind abdominal cavity, limited ultrasound scan behind abdominal cavity, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1770583346.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (207) 662-0111
- Email not available
Practice Locations
22 BRAMHALL ST
Portland, ME 04102
1600 Congress St Ste B
Portland, ME 04102
Conditions Commonly Evaluated or Treated
Within Nephrology 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
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
43 services · 41 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
16 | Less often than most peers in Nephrology |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
14 | Less often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in Nephrology |
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.
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 kidney specialists in Portland 8
Same specialty, same city.
Trained at University of Connecticut School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 1989 at University of Connecticut School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Complete ultrasound scan behind abdominal cavity 1
Providers in ME who bill this service to Medicare most often.
Common questions
What kind of doctor is Mark G. Parker?
Mark G. Parker is a kidney specialist in Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Mark G. Parker's address?
Mark G. Parker is listed at 22 Bramhall St, Portland, ME 04102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark G. Parker?
The number on file is (207) 662-0111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark G. Parker's NPI number?
Mark G. Parker's National Provider Identifier is 1770583346. 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 Mark G. Parker train?
Mark G. Parker attended University of Connecticut School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark G. Parker been practicing?
Mark G. Parker has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mark G. Parker perform?
According to Medicare billing data, Mark G. Parker performs imaging including complete ultrasound scan behind abdominal cavity and limited ultrasound scan behind abdominal cavity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark G. Parker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark G. Parker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.