Dr. Gregory C. Buhler, DO
- Medicare services, 2017
- 253
- Part D claims, 2024
- 807
- Industry payments
- $15,047
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 425 S Pacific Ave, San Pedro, CA 90731
- Practice phone
- Call (310) 547-0202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harbor Community Health Centers - San Pedro (S Pacific Ave)
FQHC - Main Site · San Pedro, California
Find Dr. Buhler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory C. Buhler is a family medicine physician in San Pedro, California
Dr. Buhler practices at Harbor Community Health Centers - San Pedro (S Pacific Ave) in San Pedro, California.
Dr. Buhler's NPI, 1003934712, was assigned on March 27, 2007. Dr. Buhler holds Missouri license 106949.
- NPI
- 1003934712NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2007
- NPI status
- Active
- Practice phone
- (310) 547-0202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory C. Buhler practices at Harbor Community Health Centers - San Pedro (S Pacific Ave) in San Pedro, California
Dr. Buhler's primary practice is Harbor Community Health Centers - San Pedro (S Pacific Ave), at 425 S Pacific Ave, San Pedro, CA 90731. The practice phone is (310) 547-0202.
- Harbor Community Health Centers - San Pedro (S Pacific Ave)425 S Pacific Ave, San Pedro, CA 90731Phone(310) 547-0202
Source: Dmand AI Affiliation Data
Dr. Gregory C. Buhler is affiliated with 1 site of care and 1 medical group
Dr. Buhler's primary practice is Harbor Community Health Centers - San Pedro (S Pacific Ave) in San Pedro, California. The medical group on file is Excelsior Springs Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory C. Buhler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buhler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor Community Health Centers - San Pedro (S Pacific Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory C. Buhler is one of 15,680 family medicine physicians in California
Family medicine is Dr. Buhler's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Buhler is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Dr. Buhler
Counts of family medicine physicians 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. Gregory C. Buhler billed Medicare for 253 services in 2017
CMS data shows 253 Medicare services from Dr. Buhler across 1 procedure code in 2017, all of them office visits. Medicare paid $7,176 for them. Every service was in an office.
Dr. Buhler's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1,7942017: 25386%
- Other services
- 2016: 262017: 0100%
Dr. Buhler compared with the California median for family medicine physicians, 2017
- Dr. Buhler
- California median
- Medicare services
- 253vs 246Close to median
- Part D claims
- 622vs 83325% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Buhler's most billed Medicare procedure codes, 2017
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Buhler and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory C. Buhler's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Buhler's median patient age at 69, with 40% women.
Dr. Buhler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Gregory C. Buhler wrote 807 Medicare Part D claims in 2024
In 2024, Dr. Buhler wrote 807 Medicare Part D claims for 17 patients. 89% of them were for generic drugs. CMS names the drug for 622 of them, across 33 drugs with 11 or more claims each, at $46,413 in total drug cost. In 2023, CMS named 542 claims across 27 drugs.
Dr. Buhler's Part D claims by kind of drug, 2024
- Generic720 claims89%
- Brand-name87 claims11%
Dr. Buhler's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Buhler's Part D claims, 2024
- Opioids18%142 of 807 claims
- Antibiotics3%27 of 807 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5422024: 62215%
Drugs named by CMS: 33 in 2024, 27 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Gregory C. Buhler received $15,047 in industry payments from 2016 to 2023
CMS Open Payments shows 268 general payments to Dr. Buhler from 30 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 57% of the total. Collegium Pharmaceutical, Inc. paid the most, $10,168.
General payments to Dr. Buhler by program year, 2016 to 2023
General payments to Dr. Buhler by kind, 2016 to 2023
- Speaker and faculty fees$8,50757%
- Food and beverage$4,05627%
- Consulting fees$1,2758%
- Travel and lodging$1,0647%
- Entertainment$1441%
Companies that paid Dr. Buhler the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory C. Buhler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory C. Buhler
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. Gregory C. Buhler's NPI number?
Dr. Gregory C. Buhler's NPI number is 1003934712. It was assigned on March 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory C. Buhler?
Dr. Gregory C. Buhler is a family medicine physician in San Pedro, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gregory C. Buhler practice?
Dr. Buhler practices at 425 S Pacific Ave, San Pedro, CA 90731. Dr. Buhler's primary practice is Harbor Community Health Centers - San Pedro (S Pacific Ave) in San Pedro, California.
What is Dr. Gregory C. Buhler's office phone number?
The practice phone on file for Dr. Buhler is (310) 547-0202.
What is Dr. Gregory C. Buhler's medical license number?
Dr. Buhler holds Missouri license 106949.
What medical group is Dr. Gregory C. Buhler part of?
Dr. Buhler is linked to Excelsior Springs Hospital.
Does Dr. Gregory C. Buhler accept Medicare?
Yes. CMS data shows Dr. Buhler billed Medicare for 253 services in 2017.
What services does Dr. Gregory C. Buhler bill to Medicare?
In 2017, Dr. Buhler's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Gregory C. Buhler prescribe most?
In 2024 Medicare Part D data, Dr. Buhler's most prescribed drugs by claims were Pregabalin, Buprenorphine-Naloxone and Clonazepam.
Has Dr. Gregory C. Buhler received payments from drug or device companies?
CMS Open Payments shows $15,047 in general payments to Dr. Buhler from 30 companies from 2016 to 2023. The largest total came from Collegium Pharmaceutical, Inc.
How long has Dr. Gregory C. Buhler been practicing?
Dr. Buhler's NPI was assigned in 2007.
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