Provider Profile
Colleen Gerg, RDN
Unclaimed ProfileAbout Colleen Gerg
Colleen Gerg, RDN is a registered dietitian / nutritionist practicing in Bryn Mawr, PA. According to Medicare claims data, the services billed most often include therapy procedure reassessment for nutrition management, each 15 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (202) 497-4202
- Email not available
Practice Locations
800 LAFAYETTE RD
Bryn Mawr, PA 19010
Conditions Supported and Services
Within Registered Dietitian/Nutritionist 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
- Celiac disease
- Diabetes
- Food sensitivities
- High cholesterol
- IBS
- Obesity
Allergies & Immune
- Autoimmune Diseases
- Food allergies
- Histamine Intolerance
Behavioral nutrition
- Orthorexia
Bone Health
- Osteoporosis
Chronic conditions
- Cystic Fibrosis Malabsorption
Digestive Health
- Acid reflux
- Chronic Bloating and Gas
- Chronic pancreatitis
- Constipation
- Diverticulosis and uncomplicated diverticulitis
- Eosinophilic esophagitis
- Gallstones
- Gastroparesis
- Inflammatory bowel disease
- Small intestinal bacterial overgrowth
Digestive health
- Candida Overgrowth
- Chronic diarrhea
- Fructose Malabsorption
- Gut Health Issues
- Lactose intolerance
- Post-Cholecystectomy Digestion Issues
- Swallowing difficulties
General nutrition
- Chronic fatigue
- Difficulty Gaining Weight
- Unexplained Weight Loss
General Nutrition
- Short stature and growth concerns
Heart & Circulation
- Heart disease
- High blood pressure
Hormonal & Women's Health
- Menopause Weight Gain
- PCOS
- Thyroid problems
Immune & Allergy
- Mast Cell Activation Syndrome
- Red Meat Allergy
Joint & Metabolic Health
- Gout
Kidney Health
- Chronic kidney disease
- Kidney stones
Kidney health
- Polycystic kidney disease
Liver & Metabolic Health
- Fatty liver disease
Liver health
- Cirrhosis of the Liver
Mental & Behavioral Health
- Eating disorders
Metabolic health
- Lipedema
Metabolic Health
- Low Blood Sugar
- Metabolic syndrome
- Prediabetes
Neurological
- Food-Triggered Migraines
Nutritional Deficiencies
- Iron-deficiency anemia
Oncology
- Cancer Treatment Side Effects and Nutrition
Pediatric Health
- Picky Eating and Food Aversion
- Poor Infant Weight Gain
Pregnancy & Women's Health
- Gestational diabetes
Sports & Fitness
- Athlete Low Energy and Overtraining
Surgical Recovery
- Post-Bariatric Surgery Complications
Women's health
- Endometriosis Belly and Inflammation
Procedures & services
Most searched procedures
- Diabetes education
- Gut health coaching
- Meal planning
- Medical nutrition therapy
- Weight loss nutrition
Behavioral Counseling
- Eating Disorder Nutrition Therapy
- Intuitive Eating Coaching
Behavioral nutrition
- Mindful Eating Training
Clinical Nutrition
- Acid Reflux Diet Protocol
- Heart-Healthy DASH Diet Coaching
- IV Nutrition Support
- Kidney Disease Diet Planning
- Oncology Nutrition Consultation
- Senior Nutrition Assessment
- Tube Feeding Management
Coaching & Education
- Carb Counting Training
- Nutrition Fact Label Reading Training
Consultations
- Virtual Nutrition Counseling
Diet protocols
- Anti-Candida Diet Protocol
- Low-Oxalate Diet Coaching
- Low-Purine Diet Consultation
Diet Protocols
- Anti-Inflammatory Diet Coaching
- Autoimmune Protocol Coaching
- Elimination Diet Program
- Gluten-Free Diet Transition Guidance
- Histamine Elimination Diet Coaching
- Ketogenic Diet Coaching
- Low-FODMAP Diet Consultation
- Plant-Based and Vegan Diet Coaching
- SIBO Diet Coaching
Heart health
- Cholesterol-Lowering Portfolio Diet Coaching
Hormonal & Women's Health
- PCOS Diet Consultation
Lifestyle Coaching
- Guided Grocery Store Tour
- Kitchen and Pantry Makeover
Maternal & Infant
- Gestational Diabetes Diet Coaching
- Postpartum and Breastfeeding Nutrition Consultation
- Pregnancy Nutrition Consultation
Medical diet therapy
- Dialysis Nutrition Coaching
- Post-Gallbladder Removal Diet Plan
- Swallowing Problem Pureed Diet Planning
Pediatric nutrition
- Pediatric Dairy-Free Weaning Guidance
Pediatric Services
- Baby-Led Weaning Consultation
- Formula and Breastmilk Fortification Guidance
- Pediatric Picky Eating Therapy
Sports & Fitness
- Muscle Building Macro Planning
- Sports Nutrition Coaching
Surgical Consultations
- Bariatric Surgery Nutrition Clearance
Testing & Assessment
- Body Composition Analysis
- Continuous Glucose Monitor Coaching
- Diet Diary Analysis
- Dietary Supplement Review
- DNA Diet and Nutrigenomics Testing
- Food Sensitivity Testing
- Gut Microbiome Stool Test Review
- Nutrient Deficiency Testing and Review
- Resting Metabolic Rate Test
Weight & Lifestyle
- Intermittent Fasting Coaching
- Weight Gain Meal Planning
Women's health
- Hormone Balancing Diet Coaching
Procedures Most Often Billed to Medicare
75 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure reassessment for nutrition management, each 15 minutes | Treatment | 97803 |
75 | As often as other peers in Registered Dietitian /… |
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 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other registered dietitian / nutritionists in Bryn Mawr 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1995 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Therapy procedure reassessment for nutrition management, each 15 minutes 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Colleen Gerg specialize in?
Colleen Gerg is a registered dietitian / nutritionist in Bryn Mawr, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Colleen Gerg located?
Colleen Gerg is listed at 800 Lafayette Rd, Bryn Mawr, PA 19010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Colleen Gerg's phone number?
The number on file is (202) 497-4202. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Colleen Gerg's NPI number?
Colleen Gerg's National Provider Identifier is 1437642238. 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 Colleen Gerg train?
Colleen Gerg attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Colleen Gerg been practicing?
Colleen Gerg has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Colleen Gerg do most often?
According to Medicare billing data, Colleen Gerg provides treatments such as therapy procedure reassessment for nutrition management, each 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Colleen Gerg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Colleen Gerg. 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.