Physician Profile
Hartley Cohen, M.D.
Unclaimed ProfileAbout Dr. Cohen
Hartley Cohen, M.D. is a healthcare provider in Los Angeles, CA specializing in gastroenterology. Medicare claims data shows Hartley provided 88 services to 76 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 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
- (213) 977-1010
- Email not available
Practice Locations
637 LUCAS AVE STE 101
Los Angeles, CA 90017
1245 Wilshire Blvd SUITE 616
Los Angeles, CA 90017
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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 reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
88 services · 76 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
50 | More often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
38 | As often as other peers in Gastroenterology |
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 2
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 gastroenterologists in Los Angeles 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1976 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Hartley Cohen specialize in?
Hartley Cohen is a gastroenterologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Hartley Cohen located?
Hartley Cohen is listed at 637 Lucas Ave Ste 101, Los Angeles, CA 90017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Hartley Cohen's phone number?
The number on file is (213) 977-1010. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Hartley Cohen?
Hartley Cohen's National Provider Identifier is 1104826213. 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 Hartley Cohen train?
Hartley Cohen attended Other, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Hartley Cohen have?
Hartley Cohen has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What does Hartley Cohen do most often?
According to Medicare billing data, Hartley Cohen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Hartley Cohen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Hartley Cohen. 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.