Dr. Glenn Mark Grossman, MD
- Medicare services, 2018
- 17
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 156
- Industry payments
- $5,294
- Affiliated sites
- 1
- Practice address
- 11600 N Indian Hills Rd, Mission Hills, CA 91345
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
Mission Hills, California
Find Dr. Grossman'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. Glenn Mark Grossman is an OB-GYN in Mission Hills, California
Dr. Grossman practices at Healthcare Partners Medical Group in Mission Hills, California.
Dr. Grossman's NPI, 1063693000, was assigned on November 19, 2007. Dr. Grossman graduated from Rutgers Robert Wood Johnson Medical School in 1988. Dr. Grossman holds California license G74125.
- NPI
- 1063693000NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234129222
- NPI enumeration date
- November 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Glenn Mark Grossman practices at Healthcare Partners Medical Group in Mission Hills, California
Dr. Grossman's primary practice is Healthcare Partners Medical Group, at 11600 N Indian Hills Rd, Mission Hills, CA 91345 in Los Angeles County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group11600 N Indian Hills Rd, Mission Hills, CA 91345 · Los Angeles CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Glenn Mark Grossman is affiliated with 2 sites of care and 2 medical groups
Dr. Grossman's primary practice is Healthcare Partners Medical Group in Mission Hills, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Grossman to 1 more skilled nursing facility and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Glenn Mark Grossman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grossman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Glenn Mark Grossman is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Grossman's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Grossman is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Grossman's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- New Jersey license
Clinical focus
Dmand AI lists ovarian cyst and vaginal infection among the conditions Dr. Grossman treats.
OB-GYNs near Dr. Grossman
Counts of OB-GYNs 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. Glenn Mark Grossman billed Medicare for 17 services in 2018
CMS data shows 17 Medicare services from Dr. Grossman across 1 procedure code in 2018, for 15 Medicare patients. Medicare paid $691 for them. Every service was in an office.
Dr. Grossman compared with the California median for OB-GYNs, 2018
- Dr. Grossman
- California median
- Medicare services
- 17vs 5871% below
- Medicare patients
- 15vs 5271% below
- Part D claims
- 102vs 352.9 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Grossman's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grossman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grossman and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Glenn Mark Grossman treated 15 Medicare patients in 2024, average age 69
CMS counts 15 Medicare patients who saw Dr. Grossman in 2024. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grossman's median patient age at 35, with 99% women.
Chronic conditions among Dr. Grossman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grossman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Glenn Mark Grossman wrote 156 Medicare Part D claims in 2024
In 2024, Dr. Grossman wrote 156 Medicare Part D claims for 48 patients. 74% of them were for generic drugs. CMS names the drug for 102 of them, across 7 drugs with 11 or more claims each, at $9,176 in total drug cost. In 2023, CMS named 78 claims across 5 drugs.
Dr. Grossman's Part D claims by kind of drug, 2024
- Generic115 claims74%
- Brand-name41 claims26%
Dr. Grossman'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 782024: 10231%
Drugs named by CMS: 7 in 2024, 5 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
How Dr. Glenn Mark Grossman takes part in Medicare
Dr. Grossman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Glenn Mark Grossman received $5,294 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Grossman from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 57% of the total. MIMEDX Group, Inc. paid the most, $3,000.
General payments to Dr. Grossman by program year, 2016 to 2025
General payments to Dr. Grossman by kind, 2016 to 2025
- Consulting fees$3,00057%
- Food and beverage$2,14841%
- Education$1463%
- Gifts$10%
Companies that paid Dr. Grossman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Glenn Mark Grossman has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grossman.
Awards and honors for Dr. Grossman
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Glenn Mark Grossman graduated from Rutgers Robert Wood Johnson Medical School
Dr. Grossman graduated from Rutgers Robert Wood Johnson Medical School in 1988.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Glenn Mark Grossman accepts plans from 12 insurance carriers
Dr. Grossman is in network with 12 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Grossman accepts, by number of carriers
- Medicare9
- PPO7
- HMO5
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Glenn Mark Grossman'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Glenn Mark Grossman
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. Glenn Mark Grossman's NPI number?
Dr. Glenn Mark Grossman's NPI number is 1063693000. It was assigned on November 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Glenn Mark Grossman?
Dr. Glenn Mark Grossman is an OB-GYN in Mission Hills, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Glenn Mark Grossman practice?
Dr. Grossman practices at 11600 N Indian Hills Rd, Mission Hills, CA 91345. Dr. Grossman's primary practice is Healthcare Partners Medical Group in Mission Hills, California. Dmand AI also links Dr. Grossman to 1 skilled nursing facility and 1 medical group.
What is Dr. Glenn Mark Grossman's office phone number?
The practice phone on file for Dr. Grossman is (213) 623-2225.
What is Dr. Glenn Mark Grossman's medical license number?
Dr. Grossman holds California license G74125, one of the licenses on file in 2 states.
Which states has Dr. Glenn Mark Grossman been licensed in?
Dmand AI has state licenses on file for Dr. Grossman in California (1992 to 2026) and New Jersey (1990 to 1995).
What medical group is Dr. Glenn Mark Grossman part of?
Dr. Grossman is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Grossman to 1 more medical group.
Does Dr. Glenn Mark Grossman accept Medicare?
Yes. CMS data shows Dr. Grossman billed Medicare for 17 services in 2018, and Dr. Grossman accepts Medicare assignment.
How many Medicare patients does Dr. Glenn Mark Grossman see?
CMS counts 15 Medicare patients who saw Dr. Grossman in 2024, with an average age of 69.
Is Dr. Glenn Mark Grossman board certified?
Yes. Dr. Grossman is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Show 6 more questionsShow fewer questions
What services does Dr. Glenn Mark Grossman bill to Medicare?
In 2018, Dr. Grossman's most billed Medicare services were medicare service (G0101).
Where did Dr. Glenn Mark Grossman go to medical school?
Dr. Grossman graduated from Rutgers Robert Wood Johnson Medical School in 1988.
What drugs does Dr. Glenn Mark Grossman prescribe most?
In 2024 Medicare Part D data, Dr. Grossman's most prescribed drugs by claims were Estradiol (Once Weekly), Clotrimazole-Betamethasone and Estradiol.
Has Dr. Glenn Mark Grossman received payments from drug or device companies?
CMS Open Payments shows $5,294 in general payments to Dr. Grossman from 25 companies from 2016 to 2025. The largest total came from MIMEDX Group, Inc.
How long has Dr. Glenn Mark Grossman been practicing?
Dr. Grossman graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Glenn Mark Grossman accept?
Dr. Grossman is in network with 12 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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