NPPES file of Aug 9, 2026

Howard Hao Zhang, M.D.

Gastroenterology Physician · Montgomery, OH

Howard Hao Zhang, M.D. is a gastroenterology physician with a practice address in Montgomery, Ohio, and NPI 1851302863, issued on Aug 11, 2006. Check the license (Ohio 35-087915, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851302863
Name
Howard Hao Zhang
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
35-087915 OH
Self-reported in NPPES; status is on the state search
Practice location
10600 Montgomery RD Ste 300, Montgomery, OH 45242
Phone
(513) 853-9250
Enumerated
Aug 11, 2006
Record last updated
Nov 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(513) 281-1908
Medicaid ID
0462231 OH
Medicare enrollment
Enrolled (PECOS I20061023000320); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10600 Montgomery RD Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Khalil Aloreidi, M.D.Gastroenterology Physician1184008948
  2. Sarah Boggio, CNPAcute Care Nurse Practitioner1902631237
  3. Stephan Dehmel, MDGastroenterology Physician1508357120
  4. Chelcey Franzen, CNPFamily Nurse Practitioner1396564712
  5. Harold Loewenstine, M.D.Gastroenterology Physician1184628679
  6. Erica Mitchell, AGACNP- BCAcute Care Nurse Practitioner1073394979

Verify Howard Hao Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-087915
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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27% more Medicare Part D claims than the average gastroenterology physician in 2024

1,030 Medicare Part D claims for 501 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Howard Zhang1,030
  2. Specialty average811

Most prescribed

  1. Ondansetron Hcl218 claims
  2. Peg 3350-Electrolyte212 claims
  3. Omeprazole165 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf117 claims
  5. Pantoprazole Sodium62 claims
  6. Gavilyte-C31 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 90.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,139.50

93 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Howard Zhang$2,139.50
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Trihealth H LLCMontgomery, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Howard Hao Zhang among 741 gastroenterology physician records in Ohio

Howard Hao Zhang, M.D. is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.

  • NPI issued2006 · 22% of these records are older, 47% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2000 · median 2003 among the 540 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 gastroenterology physician records list a practice address in Montgomery

They are 9 of the 457 NPPES records with a practice address in Montgomery, and 741 gastroenterology physician records in Ohio.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mohammad Abdrabbo, MDMontgomery, OH 452421104828201
  2. Rajagopal Chadalavada, MDCincinnati, OH 452421336115443
  3. Daniel Debo, D.O.Montgomery, OH 452421447254040
  4. Howard Deckter, M.D.Cincinnati, OH 452421073512729
  5. Gordon Fessler, M.D.Cincinnati, OH 452421649279217
  6. Michel Ghastine, M.D.Cincinnati, OH 452421417956475
  7. Nav Grandhi, M.D.Cincinnati, OH 452421497754469
  8. Vinayak Kulkarni, M.D.Cincinnati, OH 452421104820695

Common questions

What is Howard Hao Zhang, M.D.'s NPI number?

Howard Hao Zhang, M.D.'s National Provider Identifier (NPI) is 1851302863, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Howard Hao Zhang, M.D. located?

The NPPES record lists a practice address at 10600 Montgomery RD Ste 300, Montgomery, OH, 45242. Phone: (513) 853-9250. Providers update this record themselves, so call before visiting.

How can I verify Howard Hao Zhang, M.D.'s license?

NPPES lists Ohio license number 35-087915, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Howard Hao Zhang, M.D. prescribe under Medicare Part D?

In 2024, Howard Hao Zhang, M.D. had 1,030 Medicare Part D claims for 501 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Howard Hao Zhang, M.D.'s MIPS final score?

The 2023 MIPS final score is 90.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.