Physician Profile
Nathan G. Berger, M.D.
Unclaimed ProfileAbout Dr. Berger
Nathan G. Berger, M.D. practices reproductive endocrinology in Baltimore, MD. Nathan is a 1979 graduate of Johns Hopkins University School of Medicine. Medicare claims data shows Nathan provided 154 services to 144 patients. The services billed most often include cervical or vaginal cancer screening; pelvic and clinical breast examination, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and urinalysis, manual test.
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
- (410) 554-2683
- Email not available
Practice Locations
200 E 33RD ST STE 486
Baltimore, MD 21218
Conditions Commonly Evaluated or Treated
Within Reproductive Endocrinology 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
Fertility challenges
- Immune Infertility
- Repeated IVF Failure
- Secondary Infertility
Fertility complications
- Ovarian Overstimulation
Genetic & reproductive health
- Inherited Genetic Disease Risk
Genetic disorders
- Balanced Chromosome Translocation
Hormonal disorders
- Excess facial or body hair
- High Prolactin
- Low Progesterone
- Underactive Thyroid
Hormone disorders
- High DHEA
- High FSH
- High Testosterone In Women
- Hormone Imbalance
- Thyroid Antibodies Affecting Pregnancy
Male fertility
- Abnormal Sperm Shape
- Dry Orgasm
- High Sperm DNA Damage
- Male infertility
- Poor Sperm Motility
- Varicocele
- Zero Sperm Count
Menstrual disorders
- Absent periods
- Heavy periods
- Painful periods
- Period Loss From Stress Or Low Weight
Ovarian & ovulation issues
- Early Menopause
- Low Ovarian Reserve
- Not Ovulating
- Ovarian cysts
Pelvic disorders
- Pelvic Inflammatory Disease Damage
Pelvic pain
Reproductive health
- Fertility Concerns After Cancer
- Trouble Conceiving Over 35
Tubal & pelvic conditions
- Abdominal adhesions
- Blocked Fallopian Tubes
- Ectopic pregnancy
- Fluid In Fallopian Tube
Uterine conditions
- Abnormally Shaped Uterus
- Adenomyosis
- Chronic Uterine Inflammation
- Thin Uterine Lining
- Uterine fibroids
- Uterine polyps
- Uterine Scar Tissue
Procedures & services
Most searched procedures
- Egg freezing
- Fertility testing
- IUI
- IVF
Consultations
- Failed IVF Second Opinion
- LGBTQ+ Fertility Consultation
- Single Parent By Choice Consultation
Diagnostic imaging
- Endometrial Receptivity Testing
- Hysterosalpingogram consultation
- Pelvic Ultrasound For Follicles
- Saline Sonogram
Diagnostic testing
- AMH Blood Test
- Day 3 Hormone Blood Work
- Genetic Carrier Screening
- Pre-IVF Mock Embryo Transfer
- Sperm count test
- Sperm DNA Fragmentation Test
Donor & third-party reproduction
- Donor Egg Program
- Embryo Adoption
- Gestational Surrogacy
- Intrauterine Insemination (IUI)
Embryo & lab procedures
- Assisted Embryo Hatching
- Embryo Genetic Testing
- Frozen Embryo Transfer
- Gender Selection
- Injecting Sperm Into Egg
Fertility preservation
- Cancer Fertility Preservation Consult
- Ovarian Tissue Freezing
- Sperm Freezing
Fertility treatments
- Egg retrieval
- Fresh Embryo Transfer
- Intralipid Infusion For IVF
- Mini IVF
- Natural Cycle IVF
- Reciprocal IVF
- Uterine PRP Therapy
Lab services
- Sperm Washing
Medication therapy
- Trigger Shot
Ovarian & ovulation issues
- Ovarian PRP Therapy
Ovulation & cycle management
- Ovulation Induction Therapy
Surgery
- Fallopian tube removal
- Hysteroscopy
- Myomectomy
- Surgical lysis of adhesions
- Testicular biopsy
- Tubal Reversal Surgery
- Unblocking Fallopian Tubes
- Uterine polyp removal
- Uterine Scratch
- Uterine Septum Repair
Surgical procedures
Procedures Most Often Billed to Medicare
154 services · 144 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
51 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 |
| Urinalysis, manual test | Lab test | 81002 |
20 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 |
| Smear for infectious agents | Lab test | 87210 |
18 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
13 |
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.
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 reproductive endocrinology specialists in Baltimore 6
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 4
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1979 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Nathan G. Berger specialize in?
Nathan G. Berger is a reproductive endocrinology in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nathan G. Berger located?
Nathan G. Berger is listed at 200 E 33Rd St Ste 486, Baltimore, MD 21218. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nathan G. Berger's phone number?
The number on file is (410) 554-2683. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Nathan G. Berger?
Nathan G. Berger's National Provider Identifier is 1639148851. 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 Nathan G. Berger train?
Nathan G. Berger attended Johns Hopkins University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nathan G. Berger have?
Nathan G. Berger has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Nathan G. Berger do most often?
According to Medicare billing data, Nathan G. Berger 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 Nathan G. Berger's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nathan G. Berger. 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.