Dr. Robert William Baker, MD

  • New York, NY
  • Gastroenterologist
NPI1578646535
Medicare services, 2016
1,088
Part D claims, 2017
480
Publications
172
Insurance carriers
2
State licenses
2
Practice address
550 1st Ave, New York, NY 10016
Practice phone
Call (516) 482-0600
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Robert William Baker is a gastroenterologist in New York, New York

Dr. Baker practices in New York, New York.

Dr. Baker's NPI, 1578646535, was assigned on October 23, 2006. Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1977. Dr. Baker holds New York license 134656.

NPI and contact details
NPI enumeration date
October 23, 2006
NPI status
Active
Practice phone
(516) 482-0600
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Robert William Baker's practice address is in New York, New York

Dr. Baker's practice address in the NPI Registry is 550 1st Ave, New York, NY 10016, in New York County. The practice phone is (516) 482-0600.

  • NPI Registry address
    550 1st Ave, New York, NY 10016 · New York CountyPhone(516) 482-0600

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Robert William Baker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Baker's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert William Baker is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Baker is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Baker's licenses on file in 2 states: New York and Illinois.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 134656 · 1978 to 2026 · taxonomy 207RG0100X
  • Illinois license1979 to 2014

Gastroenterologists near Dr. Baker

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert William Baker billed Medicare for 1,088 services in 2016

CMS data shows 1,088 Medicare services from Dr. Baker across 13 procedure codes in 2016. Medicare paid $103,303 for them. Every service was in an office.

Medicare services, 20161,088
Paid by Medicare$103,303
Procedure codes13

Dr. Baker's Medicare services by type, 2016

  1. Office and hospital visits349
  2. Tests and treatments283
  3. Surgery240
  4. Other services216

Dr. Baker compared with the New York median for gastroenterologists, 2016

  • Dr. Baker
  • New York median
Medicare services
1,088vs 4212.6 times
Part D claims
480vs 38226% above

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Baker's most billed Medicare procedure codes, 2016

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert William Baker's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 73, with 29% women.

Dr. Baker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women29%
  • Men65%

Source: Dmand AI Patient Panel Data

Dr. Robert William Baker wrote 480 Medicare Part D claims in 2017

In 2017, Dr. Baker wrote 480 Medicare Part D claims. They cover 18 drugs, with $15,880 in total drug cost. In 2016, CMS named 1,878 claims across 47 drugs.

Part D claims, 2017480
Drugs named by CMS18
Total drug cost$15,880

Dr. Baker's most prescribed drugs by claims, 2017

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 1,8782017: 48074%

Drugs named by CMS: 18 in 2017, 47 in 2016.

See all prescribing by Dr. Baker

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Robert William Baker has 172 publications on record

Dmand AI links 172 papers to Dr. Baker, published from 2004 to 2020. 2010 was the busiest year, with 7. The most frequent topics are Cats, Motor Neurons and Eye Movements. Dr. Baker has published most often in J Pediatr Gastroenterol Nutr. Dr. Baker's most frequent co-authors are Raza Ali Patel, MD, Wael N. Sayej, MD and Lucy Diane Mastrandrea, MD.

Papers172
Years published2004 to 2020

Dr. Baker's papers by year, 2010 to 2020

Topics Dr. Baker writes about most

  • Cats
  • Motor Neurons
  • Eye Movements
  • Non-alcoholic Fatty Liver Disease
  • Goldfish
  • Neurons
  • Abducens Nerve
  • Oculomotor Nerve

Dr. Baker's most frequent co-authors

Recent publications by Dr. Baker

See all 172 publications and co-authors

See who Dr. Baker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Robert William Baker has 1 award and honors on record

Dmand AI lists 1 award for Dr. Baker, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Baker

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Robert William Baker graduated from Vagelos College of Physicians and Surgeons

Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1977.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert William Baker accepts plans from 2 insurance carriers

Dr. Baker is in network with 2 carriers, including Elevance and NY State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Elevance
  • NY State Medicaid

Plan types Dr. Baker accepts, by number of carriers

  1. Medicaid2
  2. EPO1
  3. HMO1
  4. Medicare1
  5. POS1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert William Baker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert William Baker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert William Baker's NPI number?

Dr. Robert William Baker's NPI number is 1578646535. It was assigned on October 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert William Baker?

Dr. Robert William Baker is a gastroenterologist in New York, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Robert William Baker practice?

Dr. Baker practices at 550 1st Ave, New York, NY 10016.

What is Dr. Robert William Baker's office phone number?

The practice phone on file for Dr. Baker is (516) 482-0600.

What is Dr. Robert William Baker's medical license number?

Dr. Baker holds New York license 134656, one of the licenses on file in 2 states.

Which states has Dr. Robert William Baker been licensed in?

Dmand AI has state licenses on file for Dr. Baker in New York (1978 to 2026) and Illinois (1979 to 2014).

Does Dr. Robert William Baker accept Medicare?

Yes. CMS data shows Dr. Baker billed Medicare for 1,088 services in 2016.

Is Dr. Robert William Baker board certified?

Yes. Dr. Baker is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Robert William Baker bill to Medicare?

In 2016, Dr. Baker's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and heart test or procedure (93000).

Where did Dr. Robert William Baker go to medical school?

Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1977.

Show 5 more questionsShow fewer questions

What drugs does Dr. Robert William Baker prescribe most?

In 2017 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Simvastatin.

How long has Dr. Robert William Baker been practicing?

Dr. Baker graduated from medical school in 1977, 49 years ago.

Does Dr. Robert William Baker do research?

Dmand AI links 172 publications to Dr. Baker, published from 2004 to 2020.

Who does Dr. Robert William Baker publish with?

Dr. Baker's most frequent co-authors are Raza Ali Patel, MD (7 shared papers), Wael N. Sayej, MD (5 shared papers) and Lucy Diane Mastrandrea, MD (3 shared papers).

What insurance does Dr. Robert William Baker accept?

Dr. Baker is in network with 2 carriers, including Elevance and NY State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

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